CN110848284A - Motor with reverse input blocking clutch and reverse input blocking clutch - Google Patents
Motor with reverse input blocking clutch and reverse input blocking clutch Download PDFInfo
- Publication number
- CN110848284A CN110848284A CN201810949260.1A CN201810949260A CN110848284A CN 110848284 A CN110848284 A CN 110848284A CN 201810949260 A CN201810949260 A CN 201810949260A CN 110848284 A CN110848284 A CN 110848284A
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- output shaft
- input
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- torque
- peripheral surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/08—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
- F16D41/10—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action with self-actuated reversing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Provided are a motor with a reverse input blocking clutch and a reverse input blocking clutch that can be coupled to the motor, wherein positioning after driving by the motor can be performed with energy saving and without a cost. A motor with a reverse input blocking clutch includes: an electric motor; and a reverse input blocking clutch coupled to a drive shaft of the motor. The reverse input blocking clutch has: an input-side rotating member to which torque of the motor is input; an output shaft; and a torque transmission permitting mechanism that is provided between the input-side rotating member and the output shaft, permits transmission of the torque to the output shaft, and prevents reverse input of the torque from the output shaft side to the input-side rotating member.
Description
Technical Field
The present invention relates to a motor with a reverse input blocking clutch and a reverse input blocking clutch.
Background
Conventionally, in a product flow line section of a packaging machine, a box making machine, a food manufacturing apparatus, or the like, a positioning device for moving a guide section of a product, a printing device, various detectors, and the like is used to position them. These positioning devices manually drive a feed screw using a steering wheel, thereby moving and positioning a guide, a printing device, various detectors, and the like to a desired position.
Conventionally, in order to perform positioning manually, an operator determines a position to be positioned using a label with a scale or a machine type positioner each time the position of a product of a different size is changed according to the type of the product.
To alleviate these manual tasks, consider the following: instead of a manually operable steering wheel, a motor capable of position control is used to drive a feed screw to position a guide, a printing device, various detectors, and the like.
Here, in the motor control capable of performing position control as proposed in japanese patent application laid-open No. 2011-109866, the operation is automatically performed at the time of start of the operation and completion of the positioning operation, and the stopped state of the drive shaft is continuously maintained (servo-locked) at the time of stop.
In addition, the following is also considered: after position control is performed using the motor proposed in japanese patent application laid-open publication No. 2011-50129, the output side coupled to the operation of the drive shaft is locked by, for example, operating an electromagnetic brake when the motor is stopped, instead of servo locking.
Disclosure of Invention
Problems to be solved by the invention
However, in the case of servo-locking the motor disclosed in japanese patent application laid-open No. 2011-109866, power is consumed by the motor even during the period of holding the position, which is not preferable from the viewpoint of energy saving.
Further, the electromagnetic brake disclosed in japanese patent application laid-open No. 2011-50129 requires a control circuit for electromagnetically operating the electromagnetic brake in addition to the motor control, which results in a problem of cost.
The invention aims to provide a motor with a reverse input blocking clutch and a reverse input blocking clutch which can be connected with the motor, wherein the motor can save energy for positioning after being driven by the motor and does not consume cost.
Means for solving the problems
In order to solve the above problems, a motor with a reverse input blocking clutch according to the present invention includes: an electric motor; and a reverse input blocking clutch coupled to a drive shaft of the motor, the reverse input blocking clutch including: an input-side rotating member to which torque of the motor is input; an output shaft; and a torque transmission permitting mechanism that is provided between the input-side rotating member and the output shaft, permits transmission of the torque to the output shaft, and prevents reverse input from the output shaft side to the input-side rotating member.
Further, a reverse input blocking clutch according to the present invention is a reverse input blocking clutch coupled to a drive shaft of a motor, the reverse input blocking clutch including: an input-side rotating member that inputs torque of the motor; an output shaft; and a torque transmission permitting mechanism that is provided between the input-side rotating member and the output shaft, permits transmission of the torque to the output shaft, and prevents reverse input from the output shaft side to the input-side rotating member. The torque transmission permitting mechanism includes: an outer ring that covers the input-side rotating member and the output shaft and is fixedly disposed; a transmission member that transmits torque of the input-side rotating member to the output shaft; an engaging member that is engageable with and disengageable from an inner peripheral surface of the outer ring and an outer peripheral surface of the output shaft, and that blocks rotation of the output shaft and blocks transmission of torque from the output shaft to the input-side rotating member when the engaging member is engaged with the outer ring; a biasing member that biases the engaging piece in a direction of engaging with an inner peripheral surface of the outer ring and an outer peripheral surface of the output shaft; and an engagement releasing member that releases the engagement of the engaging piece with respect to the inner peripheral surface of the outer ring and the outer peripheral surface of the output shaft against the biasing force of the biasing member when the input-side rotating member rotates.
Effects of the invention
According to the present invention, positioning after driving by the motor can be performed with energy saving and without cost.
Drawings
Fig. 1A is a perspective view of an electric motor with a reverse input blocking clutch according to an embodiment.
Fig. 1B is an exploded perspective view of the motor with a reverse input blocking clutch of fig. 1A.
Fig. 2 is a perspective view of a reverse input blocking clutch of an embodiment.
Fig. 3 is a longitudinal sectional view of the reverse input blocking clutch of fig. 2.
Fig. 4 is an exploded perspective view of the reverse input blocking clutch of fig. 2.
Fig. 5 is an explanatory diagram showing a normal state of the reverse input blocking clutch of fig. 2.
Fig. 6 is an explanatory diagram showing a state when torque is input to the input-side rotating member of the reverse input blocking clutch of fig. 2.
Fig. 7 is an explanatory diagram showing a state in which torque is input to the output shaft of the reverse input blocking clutch.
Detailed Description
Hereinafter, a motor with a reverse input blocking clutch and a reverse input blocking clutch according to an embodiment of the present invention will be described with reference to fig. 1A to 7.
As shown in fig. 1A, the motor 10 with a reverse input blocking clutch includes a motor 20 and a reverse input blocking clutch 30. The motor 20 is a geared motor, and includes a motor main body 22 and a reduction gear 24.
A drive shaft 26 of the electric motor 20 (i.e., an output shaft of the reduction gear 24) is coupled to an input-side rotating member 32 of a reverse input blocking clutch 30, which will be described later. The motor 20 is fixed to a housing or the like, which is fixed to a base not shown.
The motor main body 22 includes a rotary encoder 28. The rotary encoder 28 detects the rotation angle of the motor main body 22 and outputs a detection signal (rotation angle) thereof to a control circuit (not shown). The control circuit performs position control so as to eliminate a deviation between a current position calculated based on the detection signal and a target position indicated in advance.
When the deviation is eliminated and the target position is reached, the control circuit stops the rotational driving of the motor main body 22.
As shown in fig. 2, 3, and 4, the electric motor 10 with a reverse input blocking clutch includes an output shaft 31, an input-side rotating member 32, and an outer ring 33 covering the output shaft 31 and the input-side rotating member 32.
The outer peripheral surface of the output shaft 31 has a small diameter portion 34, a large diameter portion 35, and a protruding portion arranged in order along the axial direction. The small diameter portion 34 and the large diameter portion 35 have a substantially circular cross section. As shown in fig. 5 to 7, the output shaft 31 is provided with a pair of engaging projections 36 on the outer peripheral surface of the protruding portion adjacent to the large diameter portion 35. The two engaging projections 36 project in mutually opposite directions in a radial direction orthogonal to the axial direction.
As shown in fig. 3, formed in the outer ring 33 are: a mounting chamber 33a having an inner peripheral surface with a circular cross section; and a housing chamber 33b having an inner peripheral surface with a circular cross section larger in diameter than the mounting chamber 33 a.
The output shaft 31 is rotatably supported by the inner peripheral surface of the mounting chamber 33a of the outer ring 33 via a bearing 37. In this state, the small diameter portion 34 of the output shaft 31 protrudes from the outer ring 33 to the outside. The outer ring 33 is fixed to a base, not shown.
The input-side rotating member 32 is disposed in the housing chamber 33b so as to face the end of the output shaft 31 on the protruding side.
The input-side rotation member 32 is formed in a disc shape, and a shaft attachment hole 32a having a non-circular cross section is formed in the center thereof. The input-side rotation member 32 is fixed in a state where the distal end portion of the drive shaft 26 cut out to have a non-circular cross section is inserted into the shaft attachment hole 32a so as not to be relatively rotatable, and is thereby rotatable integrally with the drive shaft 26.
The drive shaft 26 inserted through the shaft attachment hole 32a is inserted with play into a recess 31a, and the recess 31a is recessed in an end surface of the recess 31a facing the drive shaft 26. Further, an oilless bushing 41 having an outward flange 42 is fitted into the recess 31a, and the outward flange 42 abuts against the input-side rotary member 32.
In the housing chamber 33b, an oilless washer 38 having the same diameter as the housing chamber 33b is fitted on the motor side, and a C-shaped snap ring 39 is fitted in a snap ring fitting groove 33C in the inner peripheral surface of the housing chamber 33 b. The release ring 39 is fitted in the release ring fitting groove 33c, whereby the oilless gasket 38 is prevented from being removed from the housing chamber 33b to the outside.
On a side surface of the input-side rotating member 32 facing the output shaft 31, two sets of two transmission pins 43 and 44 as a set protrude in the axial direction as transmission members.
The transmission pins 43 are disposed so that the centers of the center portions of the input-side rotation members 32 are located at 180 ° opposite positions, and are engaged with the engagement protrusions 36 of the output shaft 31 when the input-side rotation members 32 rotate in the clockwise direction (hereinafter referred to as "forward rotation"), as shown in fig. 5. That is, when the input-side rotation member 32 is rotated in the normal direction by the motor 20, the transmission pin 43 transmits the torque in the normal direction of the motor 20 to the output shaft 31.
The transmission pins 44 are located at 180 ° opposite positions with respect to the center of the input-side rotation member 32, and are arranged to be engaged with the engagement protrusions 36 of the output shaft 31 when the input-side rotation member 32 rotates counterclockwise (hereinafter, referred to as reverse rotation) as shown in fig. 5. That is, when the input-side rotating member 32 is rotated in the reverse direction by the motor 20, the transmission pin 43 transmits the torque in the reverse direction of the motor 20 to the output shaft 31.
As shown in fig. 4 and 5 to 7, in the output shaft 31, a plurality of cam surfaces 45 are formed at equal intervals in the circumferential direction on the outer circumferential surface between the two engagement projections 36, and a wedge-shaped space is formed between the plurality of cam surfaces 45 and the inner circumferential surface of the mounting chamber 33a of the outer ring 33. The cam surface 45 includes a pair of inclined surfaces 46, 47 inclined in opposite directions.
The wedge-shaped space formed by the inclined surface 46 and the inner peripheral surface of the mounting chamber 33a changes from a wide portion to a narrow portion in the counterclockwise direction in fig. 5 to 7. In fig. 5 to 7, the wedge-shaped space formed by the inclined surface 47 and the inner peripheral surface of the mounting chamber 33a changes from a wide portion to a narrow portion as the space goes clockwise.
Engaging pieces 48, 49 are arranged between the inclined surfaces 46, 47 of the cam surfaces 45 and the inner peripheral surface of the mounting chamber 33 a. The engaging pieces 48 and 49 are formed of cylindrical rollers. The engaging pieces 48 and 49 are disposed at positions interfering with the movement locus of the transmission pins 44 and 43 when the input-side rotation member 32 rotates.
A coil spring 51 as a biasing member is disposed between the engaging piece 48 and the engaging piece 49. The engaging piece 48 and the engaging piece 49 are urged toward the narrow portion of the wedge-shaped space by the coil spring 51, and when the motor 20 is stopped, the engaging piece 48 and the engaging piece 49 are engaged with the inner peripheral surface of the mounting chamber 33a and the inclined surface 46 of the output shaft 31 by the coil spring 51, so that idling of the engaging pieces 48, 49 is prevented.
In a state where the motor 20 is stopped and the transmission pin 44 is separated from the engaging piece 48, the distance between the transmission pin 44 and the engaging piece 48 is shorter than the distance between the transmission pin 43 and the engaging projection 36. With this arrangement, when the motor 20 rotates forward, the transmission pin 44 comes into contact with the engaging piece 48 earlier than the transmission pin 43 comes into contact with the engaging projection 36, and the engaging piece 48 is disengaged from the inner peripheral surface of the mounting chamber 33a and the inclined surface 46 of the output shaft 31, so that the engaging piece 48 can be rotated idly.
Similarly, in a state where the motor 20 is stopped and the transmission pin 43 is separated from the engaging piece 49, the distance between the transmission pin 43 and the engaging piece 48 is shorter than the distance between the transmission pin 44 and the engaging projection 36. With this arrangement, when the motor 20 rotates in the reverse direction, the transmission pin 43 comes into contact with the engaging piece 49 earlier than the transmission pin 44 comes into contact with the engaging projection 36, and the engaging piece 49 is disengaged from the inner peripheral surface of the mounting chamber 33a and the inclined surface 47 of the output shaft 31, so that the engaging piece 49 can rotate idly. In the present embodiment, the transmission pins 43 and 44 correspond to the engagement releasing member and the transmission member. That is, the transmission member also serves as the engagement releasing member.
In the present embodiment, the torque transmission permission mechanism is constituted by the outer ring 33, the transmission pins 43, 44 as the transmission member and the engagement release member, the engagement pieces 48, 49, and the coil spring 51.
(effects of the embodiment)
The operation of the motor with a reverse input blocking clutch and the reverse input blocking clutch configured as described above will be described.
The motor 10 with the reverse input blocking clutch is subjected to position control of the motor 20 for positioning a product guide, a printing device, various detectors, and the like in a product flow line section of a packaging machine, a box making machine, a food manufacturing device, and the like, for example. A case where the motor 20 is rotated by this position control will be described.
As shown by the arrow in fig. 1B, when the motor 20 rotates in the normal direction, torque is input to the input-side rotating member 32, and as shown in fig. 6, the transmission pin 44 presses the engaging piece 48 against the biasing force of the coil spring 51 toward the wide portion of the wedge-shaped space. Therefore, the engagement of the engaging piece 48 with the inner peripheral surface of the mounting chamber 33a and the inclined surface 46 of the output shaft 31 is released. Then, the transmission pin 43 presses the engagement projection 36, thereby transmitting the torque of the input-side rotation member 32 to the output shaft 31, and rotating the output shaft 31 in the normal direction. At this time, the engaging piece 48 idles along the inner peripheral surface of the mounting chamber 33a of the outer ring 33. In this case, the output shaft 31 is normally rotated, and the inclined surface 47 relatively moves the engaging piece 49 toward the wide portion of the wedge-shaped space, so that the output shaft 31 is not locked by the engaging piece 49.
When the normal rotation of the motor 20 is stopped, the pressing of the transmission pin 44 is released, and therefore the engaging piece 48 moves from the wide portion to the narrow portion of the wedge-shaped space by the biasing force of the coil spring 51, and engages with the inner peripheral surface of the mounting chamber 33a and the inclined surface 46 of the output shaft 31, and the output shaft 31 is locked. Further, the transmission pin 43 releases the pressing of the engagement projection 36. Therefore, since the output shaft 31 is locked, unlike the conventional art, it is not necessary to hold the motor 20 for stopping the normal rotation by servo locking or the like.
As shown by the arrow in fig. 1B, when the motor 20 rotates in the reverse direction, torque is input to the input-side rotating member 32, and the transmission pin 43 presses the engaging piece 49 toward the wide portion of the wedge-shaped space against the biasing force of the coil spring 51. Therefore, the engagement of the engaging piece 49 with the inner peripheral surface of the mounting chamber 33a and the inclined surface 47 of the output shaft 31 is released. Then, the transmission pin 44 presses the engagement projection 36, thereby transmitting the torque of the input-side rotation member 32 to the output shaft 31 and reversing the output shaft 31. At this time, the engaging piece 49 idles along the inner peripheral surface of the mounting chamber 33a of the outer ring 33. In this case, the output shaft 31 is rotated reversely, so that the inclined surface 46 relatively moves the engaging piece 48 toward the wide portion of the wedge-shaped space, and therefore the output shaft 31 is not locked by the engaging piece 48.
When the reverse rotation of the motor 20 is stopped, the pressing of the transmission pin 43 is released, and therefore the engaging piece 49 moves from the wide portion to the narrow portion of the wedge-shaped space by the biasing force of the coil spring 51, and engages with the inner peripheral surface of the mounting chamber 33a and the inclined surface 47 of the output shaft 31 to lock the output shaft 31. Further, the transmission pin 44 releases the pressing of the engagement projection 36. Therefore, since the output shaft 31 is locked, it is not necessary to keep the reverse rotation of the motor 20 stopped by servo locking or the like, unlike the conventional art.
On the other hand, even if torque is reversely input to the output shaft 31, the engaging piece 48 or the engaging piece 49 engages with the inner peripheral surface of the mounting chamber 33a and the cam surface 45, that is, the narrow portion of the wedge-shaped space, and locks in accordance with the rotational direction thereof.
That is, even if the output shaft 31 is intended to rotate clockwise in fig. 7, the engagement piece 48 engages with the inner peripheral surface of the mounting chamber 33a and the cam surface 45 (inclined surface 46), and the output shaft 31 is locked. This locking prevents torque from being transmitted from the output shaft 31 to the input-side rotating member 32.
Even if the output shaft 31 is intended to rotate counterclockwise in fig. 7, the engagement piece 49 engages with the inner peripheral surface of the mounting chamber 33a and the cam surface 45 (inclined surface 47), and the output shaft 31 is locked. This locking prevents transmission of torque from the output shaft 31 to the input-side rotating member 32.
The present embodiment has the following features.
(1) The motor 20 provided in the motor with the reverse input blocking clutch according to the present embodiment is a motor that performs position control. The reverse input blocking clutch 30 includes an input-side rotating member 32 coupled to the drive shaft 26 of the motor 20, and a torque transmission permitting mechanism provided between the input-side rotating member 32 and the output shaft 31, and permits transmission of torque to the output shaft 31 and prevents reverse input from the output shaft side to the input-side rotating member 32.
With this configuration, it is not necessary to hold the motor by a servo lock or the like, and power is not consumed by the motor during the period of holding the position, which is preferable from the viewpoint of energy saving. As a result, according to the present embodiment, the following effects are exhibited: the positioning driven by the motor can save energy, and the cost is not consumed.
(2) The torque transmission permission mechanism of the reverse input blocking clutch of the present embodiment includes: an outer ring 33 fixedly disposed to cover the input-side rotating member 32 and the output shaft 31; and transmission pins 43, 44 (transmission members) that transmit the torque of the input-side rotation member 32 to the output shaft 31. The torque transmission permission mechanism further includes engagement pieces 48, 49, and the engagement pieces 48, 49 are engageable with and disengageable from the inner peripheral surface of the outer ring 33 and the outer peripheral surface of the output shaft 31, and prevent rotation of the output shaft 31 at the time of engagement, and block torque transmission from the output shaft 31 to the input-side rotation member.
The torque transmission permission mechanism further includes a coil spring 51 (urging member), and the coil spring 51 urges the engagement pieces 48 and 49 in a direction of engaging with the inner peripheral surface of the outer ring 33 and the outer peripheral surface of the output shaft 31. The torque transmission permitting mechanism includes engaging pieces 48 and 49 (engagement releasing members), and the engaging pieces 48 and 49 release the engagement of the engaging pieces 48 and 49 with respect to the inner peripheral surface of the outer ring 33 and the outer peripheral surface of the output shaft 31 against the urging force of the coil spring 51 (urging member) when the input-side rotating member 32 rotates.
As a result, according to the present embodiment, the torque transmission permission mechanism is configured as described above, whereby the effect (1) can be easily obtained.
(3) In the present embodiment, the transmission pins 43 and 44 (transmission members) also serve as engagement releasing members. As a result, according to the present embodiment, the respective movement trajectories of the engaging piece, the transmission member, and the engagement releasing member can be overlapped, and the radial dimension of the output shaft of the torque transmission permitting mechanism can be reduced, and the size can be reduced. Further, according to the present embodiment, since the transmission pin as the transmission member also serves as the engagement releasing member, the torque transmission permitting mechanism is configured to be simple, the number of components can be reduced, and cost reduction can be achieved.
(4) In the present embodiment, the outer peripheral surface of the output shaft 31 is provided with a pair of engaging projections 36 projecting in the radial direction. The transmission pins 43 and 44 (transmission members) engage with the engagement projections 36, and thereby transmit the torque of the input-side rotation member 32 to the output shaft 31.
As a result, according to the present embodiment, torque can be easily transmitted with a simple structure in which the transmission pin is engaged with the engagement projection.
The present invention is not limited to the above embodiment, and may be configured as follows.
In the above embodiment, the motor 20 is a geared motor, but is not necessarily limited to a geared motor, and may be a stepping motor, for example.
The configuration of the reverse input blocking clutch is not limited to the above embodiment, and a reverse input blocking clutch having another configuration may be used.
In the above embodiment, the urging member is the coil spring 51, but the urging member is not limited to the coil spring, and may be another elastic member such as a plate spring or a tapered spiral plate spring.
In the above embodiment, the pair of engaging projections 36 is provided, but three or more engaging projections may be provided.
Claims (7)
1. A motor with a reverse input blocking clutch includes:
an electric motor; and
a reverse input blocking clutch coupled to a drive shaft of the motor,
the reverse input blocking clutch has:
an input-side rotating member to which torque of the motor is input;
an output shaft; and
and a torque transmission permitting mechanism that is provided between the input-side rotating member and the output shaft, permits transmission of the torque to the output shaft, and prevents reverse input from the output shaft side to the input-side rotating member.
2. The motor with a reverse input blocking clutch of claim 1,
the torque transmission permitting mechanism includes:
an outer ring that covers the input-side rotating member and the output shaft and is fixedly disposed;
a transmission member that transmits torque of the input-side rotating member to the output shaft;
an engaging member that is engageable with and disengageable from an inner peripheral surface of the outer ring and an outer peripheral surface of the output shaft, and that blocks rotation of the output shaft and blocks transmission of torque from the output shaft to the input-side rotating member when the engaging member is engaged with the outer ring;
a biasing member that biases the engaging piece in a direction of engaging with an inner peripheral surface of the outer ring and an outer peripheral surface of the output shaft; and
and an engagement releasing member that releases the engagement of the engaging piece with respect to the inner peripheral surface of the outer ring and the outer peripheral surface of the output shaft against the biasing force of the biasing member when the input-side rotating member rotates.
3. The motor with a reverse input blocking clutch according to claim 2, wherein the transmission member doubles as the engagement releasing member.
4. The electric motor with a reverse input blocking clutch according to claim 3, wherein the outer peripheral surface of the output shaft includes at least one pair of engaging projections projecting radially from the axial center,
the transmission member is engaged with the engagement projection to transmit the torque of the input-side rotation member to the output shaft.
5. A reverse input blocking clutch coupled to a drive shaft of a motor, the reverse input blocking clutch comprising:
an input-side rotating member that inputs torque of the motor;
an output shaft; and
a torque transmission permitting mechanism provided between the input-side rotating member and the output shaft, permitting transmission of the torque to the output shaft, and preventing reverse input from the output shaft side to the input-side rotating member,
the torque transmission permitting mechanism includes:
an outer ring that covers the input-side rotating member and the output shaft and is fixedly disposed;
a transmission member that transmits torque of the input-side rotating member to the output shaft;
an engaging member that is engageable with and disengageable from an inner peripheral surface of the outer ring and an outer peripheral surface of the output shaft, and that blocks rotation of the output shaft and blocks transmission of torque from the output shaft to the input-side rotating member when the engaging member is engaged with the outer ring;
a biasing member that biases the engaging piece in a direction of engaging with an inner peripheral surface of the outer ring and an outer peripheral surface of the output shaft; and
and an engagement releasing member that releases the engagement of the engaging piece with respect to the inner peripheral surface of the outer ring and the outer peripheral surface of the output shaft against the biasing force of the biasing member when the input-side rotating member rotates.
6. The reverse input blocking clutch according to claim 5, wherein the transmitting member doubles as the engagement releasing member.
7. The reverse input blocking clutch according to claim 6, wherein the outer peripheral surface of the output shaft includes at least one pair of engaging projections projecting radially from the axial center,
the transmission member is engaged with the engagement projection to transmit the torque of the input-side rotation member to the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949260.1A CN110848284A (en) | 2018-08-20 | 2018-08-20 | Motor with reverse input blocking clutch and reverse input blocking clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949260.1A CN110848284A (en) | 2018-08-20 | 2018-08-20 | Motor with reverse input blocking clutch and reverse input blocking clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110848284A true CN110848284A (en) | 2020-02-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949260.1A Pending CN110848284A (en) | 2018-08-20 | 2018-08-20 | Motor with reverse input blocking clutch and reverse input blocking clutch |
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| CN (1) | CN110848284A (en) |
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| CN104246265A (en) * | 2012-04-20 | 2014-12-24 | Ntn株式会社 | Clutch unit |
| CN106255838A (en) * | 2014-03-04 | 2016-12-21 | 欧利生电气株式会社 | Inverted input blocking clutch |
| CN108026988A (en) * | 2015-09-24 | 2018-05-11 | Ntn株式会社 | Prevent reverse input clutch |
| WO2017145934A1 (en) * | 2016-02-23 | 2017-08-31 | Ntn株式会社 | Control method for reverse input prevention clutch |
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