CN211175111U - Clutch for revolute pair - Google Patents
Clutch for revolute pair Download PDFInfo
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- CN211175111U CN211175111U CN201921850817.2U CN201921850817U CN211175111U CN 211175111 U CN211175111 U CN 211175111U CN 201921850817 U CN201921850817 U CN 201921850817U CN 211175111 U CN211175111 U CN 211175111U
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Abstract
The utility model relates to a mechanical transmission field, in particular to a clutch for revolute pair, include: a first rotatable member having a first rotational axis; a second rotatable member connected to the first rotatable member and having a second rotation axis coinciding with the first rotation axis; the one-way transmission member is limited between the first rotatable member and the second rotatable member and is used for realizing one-way rotation transmission connection between the first rotatable member and the second rotatable member; the clutch is also provided with a position adjusting mechanism for driving the one-way transmission member to move, and the clutch is also provided with a driving mechanism positioned outside the first rotatable member and the second rotatable member; the driving mechanism is provided with a traction piece linked with the revolute pair. By arranging the driving mechanisms at the outer sides of the first rotatable member and the second rotatable member, the space of each transmission part can be saved, and the subsequent maintenance is convenient.
Description
Technical Field
The utility model relates to a mechanical transmission field, in particular to a clutch for revolute pair.
Background
At present, the existing products in the market are generally a one-way clutch, a pneumatic clutch, an electromagnetic clutch and the like. The one-way clutch is a mechanical clutch, can realize one-way locking, can freely rotate in the other direction, and cannot realize two-way free rotation; the pneumatic clutch realizes bidirectional separation and locking of the clutch through external air pressure, can not realize unidirectional locking and separation, has larger size and can not meet the requirements of small-sized and light-weight design; the electromagnetic clutch realizes bidirectional locking under the condition of power-on and separation under the condition of power-off through the electromagnet, cannot be controlled through external air pressure, has larger size and cannot meet the requirements of small-sized and light-weight design. When the clutch is used in the current market products, the one-way separation and the one-way locking or the two-way separation and the two-way locking of the components can be realized only by the connection of the clutch. There is still no suitable clutch dedicated to revolute pairs, such as exoskeleton joint positions. The roller type overrunning clutch comprises an outer ring, an inner ring, a roller and a spring for controlling the movement of the roller, a groove which is used for accommodating the roller and is provided with a wedge-shaped surface is formed between the inner ring and the outer ring, and the roller is switched between contact and separation with the inner circular surface of the outer ring through the telescopic movement of the spring, so that the unidirectional locking and the relative rotation of the inner ring and the outer ring are realized.
The applicant has invented and applied for 'a one-way jaw clutch and a walking aid', patent No. CN201821984252.2, wherein the walking aid comprises a one-way jaw clutch, a thigh member, a shank member, a shoe assembly, a shell of the one-way jaw clutch is fixedly connected with the lower end of the thigh member, the bottom of a second clutch plate of the one-way jaw clutch is fixedly connected with the upper end of the shank member, the shoe assembly comprises an upper sole and a lower sole, the front end of the upper sole is hinged with the front end of the lower sole, the middle part of the side surface of the lower sole extends outwards to form a fixing part, the lower end of the shank member is fixedly connected with the fixing part, the fixing part is further provided with a guide post, one end of a traction rope extending to the outside of the second clutch plate penetrates through the guide post to be connected with the rear end of the upper sole through a second elastic element, and a gap exists between the rear end of the upper sole and the rear end of the lower sole when the second elastic element is in a natural state And the elastic coefficient of the second elastic member is larger than that of the first elastic member.
The applicant creates and applies a pneumatic one-way clutch which can realize one-way locking and two-way separation simultaneously, and the patent application No. CN201820005229.8 solves the technical problems that in the prior art, the one-way separation and the one-way locking or the two-way separation and the two-way locking of parts can only be realized through the connection of clutches, and the one-way locking and the two-way separation cannot be realized when the one-way locking and the two-way separation are required to be realized simultaneously, and the pneumatic one-way clutch comprises a main shaft, a top pin, a first star wheel, an outer ring, a roller, a first baffle plate and a second baffle plate, wherein the first star wheel is arranged in the outer ring, the roller is arranged in an open slot of the first star wheel, the roller is movably connected with the first star wheel, the top pin is fixedly connected with the roller, the top pin is movably connected with the first star wheel, the first baffle plate and the second baffle plate are both, the star wheel II is fixedly connected with the star wheel I, and the air bag is arranged inside the star wheel II and the star wheel I. However, the technology needs to be realized by adopting air pressure, when the air leakage or the rest air pressure is unstable, the situation of unstable performance is easy to occur, and meanwhile, the use occasion is also greatly limited by adopting the air pressure mode.
SUMMERY OF THE UTILITY MODEL
To solve the above technical problem, an object of the present invention is to provide a clutch more suitable for a revolute pair.
In order to achieve the above object, the present application provides a clutch for a revolute pair, including:
a first rotatable member having a first rotational axis;
a second rotatable member connected to the first rotatable member and having a second rotation axis coinciding with the first rotation axis;
the one-way transmission member is limited between the first rotatable member and the second rotatable member and is used for realizing one-way rotation transmission connection between the first rotatable member and the second rotatable member;
a first position and a second position in the first rotatable member or the second rotatable member for the one-way transmission member to selectively move between different positions are provided, wherein:
when the one-way transmission member is moved to the first position, the one-way transmission member imposes a constraint between the first rotatable member and the second rotatable member that achieves the one-way rotational transmission connection;
when the one-way transmission member is moved to the second position, the one-way transmission member releases the constraint of realizing the one-way rotation transmission connection between the first rotatable member and the second rotatable member;
the clutch also comprises a position adjusting mechanism for driving the one-way transmission members to move between the first position and the second position, and the position adjusting mechanism is in mechanical transmission connection with a revolute pair connected with the first rotatable member or the second rotatable member and is used for driving the position adjusting mechanism to drive the one-way transmission members when the revolute pair moves.
Compared with the existing pneumatic clutch with an air bag, the mechanical transmission mode is adopted for driving, and the clutch is more reliable, safe and durable.
Further, the above-mentioned position adjusting mechanism is provided in the first rotatable member or the second rotatable member, and includes a rotating shaft; the axis of the rotating shaft is superposed with the first rotating axis or the second rotating axis, and the rotating shaft is arranged, so that the position adjusting mechanism can be conveniently rotated by controlling the rotation of the rotating shaft.
Further, the one-way transmission member is rotatably connected to the position adjustment mechanism.
Further, the second rotatable member is located inside the first rotatable member; the rotating shaft penetrates through the middle part of the second rotatable member and is connected with the second rotatable member in a sliding mode, the rotating shaft is used for rotating in the middle of the second rotatable member, so that the rotating shaft extends out of the second rotatable member, and the position adjusting structure is supported through the second rotatable member.
Furthermore, the position adjusting mechanism is also provided with branch parts distributed on the periphery of the rotating shaft, and the branch parts are connected with the one-way transmission component;
the branch portion includes:
a radial portion extending along a radial direction of an axis of the rotating shaft;
the circumferential part is connected with one end of the radial part, which deviates from the axis of the rotating shaft;
the circumferential part extends along the tangential direction of a circle with a radius from the end to the axle center of the rotating shaft and is connected with the unidirectional transmission component to enable the radial part and the circumferential part to form a bending structure.
The groove body of the wedge-shaped surface can be formed between the first rotatable component and the second rotatable component, the one-way transmission component is arranged in the groove body, and in order to enable the position adjusting mechanism to drive the one-way transmission component smoothly, the branch portion of the position adjusting mechanism is arranged to be of a bent structure, so that the one-way transmission component is conveniently controlled.
Further, the second rotatable member is located inside the first rotatable member; a slot is provided in the second rotatable member; the radial portion is located in the groove and is used for restricting the radial portion in a rotation range of the circumferential direction by the groove.
Furthermore, the second rotatable component comprises a first star wheel and a second star wheel, so that the installation is convenient; a groove body is arranged in a component formed by combining the first star wheel and the second star wheel; the position adjusting mechanism is arranged in or partially arranged in the groove body.
Further, the clutch also comprises a driving mechanism for driving the position adjusting mechanism;
the driving mechanism is arranged outside the first rotating member and the second rotating member;
the driving mechanism is in transmission connection with the rotating shaft and is used for applying torque to the rotating shaft.
I.e. by applying a tangential force on the outer circle of the shaft by means of a mechanical transmission to provide a torque.
Further, the first rotatable member is provided with a first connecting portion for fixedly connecting one part of a revolute pair;
the second rotatable member is provided with a second connecting portion for fixedly connecting the other part of the revolute pair.
Further, the first connecting portion is disposed outside the first rotatable member; the first connecting portion is disposed outside the first rotatable member.
Further, the first connecting portion is comprised of at least two connecting nodes on the first rotatable member; the second connecting portion is comprised of at least two connecting nodes located on the second rotatable member.
In another aspect of the present application, there is also provided a clutch for a revolute pair, which more conveniently drives the above-mentioned position adjustment mechanism;
that is, the clutch further includes a drive mechanism located outside the first rotatable member and the second rotatable member and transmitting the mechanical transmission to the position adjustment mechanism;
the driving mechanism is provided with a traction piece which is used for being linked with the rotating pair and is used for driving the driving mechanism to transmit mechanical transmission to the position adjusting mechanism when the rotating pair moves.
By arranging the driving mechanisms at the outer sides of the first rotatable member and the second rotatable member, the space of each transmission part can be saved, and the subsequent maintenance is convenient.
Specifically, the position adjustment mechanism has a rotating shaft whose axis coincides with the first rotating axis or the second rotating axis; the driving mechanism is arranged outside the first rotating member and the second rotating member; the driving mechanism is in transmission connection with the rotating shaft and is used for applying torque to the rotating shaft.
Therefore, the position adjusting structure can rotate directly by applying torque, and the device is convenient and reliable.
Specifically, the driving mechanism is hinged to the rotating shaft, and the hinged position is located on the outer edge of the rotating shaft.
Specifically, the drive mechanism includes:
a base plate;
the pressing plate is hinged with the rotating shaft and is arranged on the cover body and corresponds to the bottom plate;
the cover body is positioned on one side of the pressing plate, which is far away from the bottom plate;
the spring is arranged between the bottom plate and the pressing plate and sleeved on the cover body;
the traction piece penetrates through the bottom plate and penetrates through the spring, and the traction piece is connected with the cover body.
Reset is conveniently realized through setting up above-mentioned spring.
Specifically, the outer edge of the end of the rotating shaft is hinged with a connecting rod; the end of the connecting rod is hinged with the pressure plate.
Specifically, an adapter plate is fixedly sleeved at the end of the rotating shaft; the edge of the switching disk is hinged with the connecting rod.
Specifically, a fixing core fixed on the bottom plate for fixing the spring is arranged between the bottom plate and the pressure plate.
Specifically, a cover body extends below the bottom plate, and the part of the traction piece close to the bottom plate is positioned in the cover body.
Specifically, the second rotatable member is located in the first rotatable member, and a stopper that clamps the second rotatable member is provided in the axial direction of the first rotatable member or the second rotatable member, for restricting the second rotatable member in the axial direction; the limiting piece is connected with the first rotatable component in a sliding manner; the driving mechanism is mounted on the limiting piece. The stop element here preferably has a plate-like or disk-like structure.
Specifically, the traction member is a rope.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description. Or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure. In the drawings:
FIG. 1 is a schematic diagram illustrating the clutch for a revolute pair shown after the first barrier has been removed;
FIG. 2 is a schematic diagram illustrating the clutch for a revolute pair shown with the second barrier removed;
FIG. 3 is a schematic diagram illustrating the position of the fingers of the present clutch for a revolute pair on the inner race;
FIG. 4 is a schematic view for explaining the structure of the clutch for a revolute pair according to the present invention;
FIG. 5 is a schematic view illustrating a first damper of the clutch for a revolute pair according to the present invention;
FIG. 6 is a schematic diagram illustrating the second clutch damper and drive mechanism for a revolute pair according to the present invention;
FIG. 7 is a schematic view of a first spider illustrating the clutch for a revolute pair of the present invention;
FIG. 8 is a schematic view of a second spider illustrating the clutch for a revolute pair of the present invention;
FIG. 9 is a schematic view for explaining the finger of the present clutch for revolute pairs;
the labels in the figure are: 1-outer ring, 110-first connecting part, 2-inner ring, 210-first star wheel, 211-second connecting part, 220-second star wheel, 3-pusher dog, 310-rotating shaft, 311-D shaft, 312-adapter plate, 320-branch part, 4-roller, 5-connecting rod, 6-driving mechanism, 610-bottom plate, 620-pressing plate, 630-cover body, 640-spring, 650-pull rope, 710-first baffle and 720-second baffle.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, the embodiments of the invention described in the following description are generally only examples of a subset of the invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terms and units of the present invention. The term "comprises" and any variations thereof in the description and claims of this invention and the related art are intended to cover non-exclusive inclusions.
1-9, a clutch for a revolute pair, comprising:
a first rotatable member having a first rotational axis;
a second rotatable member connected to the first rotatable member and having a second rotation axis coinciding with the first rotation axis;
the one-way transmission member is limited between the first rotatable member and the second rotatable member and is used for realizing one-way rotation transmission connection between the first rotatable member and the second rotatable member;
a first position and a second position in the first rotatable member or the second rotatable member for the one-way transmission member to selectively move between different positions are provided, wherein:
when the one-way transmission member is moved to the first position, the one-way transmission member imposes a constraint between the first rotatable member and the second rotatable member that achieves the one-way rotational transmission connection;
when the one-way transmission member is moved to the second position, the one-way transmission member releases the constraint of realizing the one-way rotation transmission connection between the first rotatable member and the second rotatable member;
the clutch also comprises a position adjusting mechanism for driving the one-way transmission members to move between the first position and the second position, and the position adjusting mechanism is in mechanical transmission connection with a revolute pair connected with the first rotatable member or the second rotatable member and is used for driving the position adjusting mechanism to drive the one-way transmission members when the revolute pair moves. Preferably, the position adjusting mechanism may employ a finger 3 extending out of a plurality of branches 320, so as to drive the rotating shaft 310 of the finger 3 to rotate, and the branches 320 of the finger 3 actively drive the unidirectional transmission member to move. In this embodiment, four branch portions 320 are provided, and pin holes are provided at the ends of the branch portions 320.
The mechanical transmission connection is that the revolute pair drives the position adjusting mechanism in a mechanical linkage mode, namely, the position adjusting mechanism is finally driven to drive the one-way transmission member through the movable connection among a plurality of rigid parts. The specific structure of the position adjusting mechanism can be set as required, as long as the revolute pair can drive the position adjusting mechanism to drive the one-way transmission member when moving, and the one-way transmission member can be a cylindrical roller, a rolling wheel or a spherical roller. In the present embodiment, the roller 4 is used. Compared with the existing pneumatic clutch with an air bag, the mechanical transmission mode is adopted for driving, and the clutch is more reliable, safe and durable.
The above-described position adjustment mechanism is provided in the first rotatable member or the second rotatable member, and includes a rotating shaft 310; the axis of the rotating shaft 310 coincides with the first rotating axis or the second rotating axis, and the rotating shaft 310 is provided, so that the rotation of the position adjusting mechanism can be conveniently controlled by controlling the rotation of the rotating shaft 310. In order to facilitate the movement of the driving one-way transmission member, i.e. the active one-way transmission member, between the first position and the second position, the position adjustment mechanism is connected with the one-way transmission member. The one-way transmission member is rotatably connected to the position adjusting mechanism. The second rotatable member is located inside the first rotatable member; the rotating shaft 310 penetrates through the middle of the second rotatable member and is slidably connected with the second rotatable member for rotating in the middle of the second rotatable member, so that the rotating shaft 310 extends out of the second rotatable member and supports the position adjusting structure through the second rotatable member.
The position adjusting mechanism further comprises a branch part 320 distributed on the periphery of the rotating shaft 310, and the branch part 320 is connected with the one-way transmission member;
the branch portion 320 includes:
a radial portion extending along a radial direction of the axis of the rotating shaft 310;
a circumferential portion connected to an end of the radial portion away from the axis of the rotating shaft 310;
the circumferential portion extends along a tangential direction of a circle having a radius from the one end to the axial center of the rotating shaft 310 and is connected to the one-way transmission member so that the radial portion and the circumferential portion form a curved structure.
The groove body of the wedge-shaped surface can be formed between the first rotatable component and the second rotatable component, the one-way transmission component is arranged in the groove body, and in order to enable the position adjusting mechanism to drive the one-way transmission component smoothly, the branch portion 320 of the position adjusting mechanism is arranged to be of a bent structure, so that the one-way transmission component is conveniently controlled.
The second rotatable member is located inside the first rotatable member; a slot is provided in the second rotatable member; the radial portion is located in the groove and is used for restricting the radial portion in a rotation range of the circumferential direction by the groove. The slot is provided to allow the position adjustment mechanism to rotate about the rotation shaft 310 while also restricting the range of rotation of the position adjustment mechanism, i.e., limiting its range of rotation.
The second rotatable component comprises a first star wheel 210 and a second star wheel 220, so that the installation is convenient; a groove body is arranged in a component formed by combining the first star wheel 210 and the second star wheel 220; the position adjusting mechanism is arranged in or partially arranged in the groove body.
The clutch also comprises a driving mechanism 6 for driving the position adjusting mechanism;
the driving mechanism 6 is arranged outside the first rotating member and the second rotating member;
the driving mechanism 6 is in transmission connection with the rotating shaft 310 and is used for applying torque to the rotating shaft 310.
I.e. by means of a mechanical transmission, exerting a tangential force on the outer circumference of the rotating shaft 310 to provide a torque.
The drive mechanism 6 includes:
a bottom plate 610;
a pressing plate 620, wherein the pressing plate 620 is hinged to the rotating shaft 310 and is disposed on the cover 630 to correspond to the bottom plate 610;
a cover 630, wherein the cover 630 is located on a side of the pressing plate 620 facing away from the bottom plate 610;
a spring 640, wherein the spring 640 is arranged between the bottom plate 610 and the pressure plate 620 and sleeved on the cover 630;
a pulling member passing through the bottom plate 610 and inserted into the spring 640, the pulling member being connected to the cover 630;
in this embodiment, a pull rope 650 may be used as the pulling member. The cover 630 has a diameter larger than the diameter of the pulling member passing through the hole of the pressing plate 620.
The second rotatable member is positioned in the first rotatable member, and a stopper for holding the second rotatable member is provided in the axial direction of the first rotatable member or the second rotatable member to limit the second rotatable member in the axial direction; the limiting piece is connected with the first rotatable component in a sliding manner; the driving mechanism 6 is mounted on the stopper. The stop element here preferably has a plate-like or disk-like structure. In this embodiment, a baffle plate with a disc-shaped structure is adopted, and a through groove is formed in the baffle plate so that an extension plate described below can extend out. The baffles here are disposed on either side of the present clutch, being a first baffle 710 and a second baffle 720, respectively.
The first rotatable member is provided with a first connecting portion 110 for connecting one part of a revolute pair; the second rotatable member is provided with a second coupling portion 211 for coupling to the other part of the revolute pair. By providing the first connecting portion 110, two connecting positions are preferably provided, and both the two connecting positions are connected with one part of the revolute pair to realize the relative fixation of the first rotatable member and the one part of the revolute pair, and similarly, the second connecting portion 211 is preferably two connecting positions, and both the two connecting positions are connected with the other part of the revolute pair. The connecting position can adopt an extending plate extending outwards, and an external part mounting hole provided with a threaded hole is formed in the extending plate, namely the extending plate is connected with one component or the other component of the rotating pair through a bolt. Specifically, an external part mounting hole is reserved on an extension plate of the first star wheel 210, and an external part mounting hole is also reserved on an extension plate of the outer ring 1, so that the motion relationship between the star wheel and the outer ring 1 can be converted into the motion relationship of the revolute pair.
When the structure is specifically arranged, the second rotatable component is arranged on the inner side of the first rotatable component, the first rotatable component is an outer ring 1, the second rotatable component is an inner ring 2, namely the first star wheel 210 and the second star wheel 220 are folded to form a main structure of the inner ring 2, the first star wheel 210 and the second star wheel 220 are fixedly connected through screws, and the outer diameters of the first star wheel 210 and the second star wheel 220 are smaller than the inner diameter of the outer ring 1 and can rotate in the outer ring 1; grooves are formed in the first star wheel 210 and the second star wheel 220, the pusher dog 3 is installed in the grooves of the first star wheel 210 and the second star wheel 220, the rotating shafts 310 at two ends of the pusher dog 3 penetrate through center holes of the first star wheel 210 and the second star wheel 220, and the pusher dog 3 is in running fit with the center holes of the star wheels.
Four pin holes in the pusher dog 3 are respectively in hinged fit with four rollers 4 through pin shafts, and the rollers 4 are positioned between the wedge-shaped surface of the star wheel and the inner circular surface of the outer ring 1; in order to facilitate the transmission of torque, a D-shaped shaft 311 is arranged at one end of the rotating shaft 310, an adapter plate 312 is arranged to be matched with the D-shaped shaft 311, a connecting rod 5 is arranged on the outer circle of the adapter plate 312, a part of the connecting rod is hinged to the adapter plate 312 through a stud, the connecting rod 5 is hinged to the pressing plate 620, namely, the adapter plate 312 is hinged to the connecting rod 5 through a pin, and the connecting rod 5 is hinged to the pressing plate 620 through a pin.
The hinging of the roller 4 with the finger allows the roller 4 to rotate within a certain angular range. The wedge face comprises outer ring 1 internal surface and a plane of star gear, in the actual processing assembly, the part error probably appears, then the position that the roller design was locked also can the error, and after long-time the use, roller 4 also can appear wearing and tearing with the wedge face, the deviation also can appear in roller 4 latched position this moment, consequently only set up roller 4 into articulated rotatable connection, just can guarantee as long as rotate the pusher dog toward the wedge face direction, then the roller is because rotatable then can the automatically regulated position, thereby certainly can paste tightly with the wedge face completely. Namely, the middle part of one side of the roller 4 is provided with an arc-shaped groove and a pin hole, the end part of the pusher dog 3 is also provided with a corresponding arc-shaped pin hole, and the end part of the pusher dog 3 is inserted into the arc-shaped groove of the roller and then is hinged through a pin.
The D-shaped shaft 311 is connected with a corresponding D-shaped hole of the adapter plate 312, and the end part of the D-shaped shaft is fixed through a screw, so that the pusher dog 3 is fixedly connected with the adapter plate 312 into a whole (the pusher dog 3 is fixedly connected with the adapter plate 312); a limit screw is arranged at the other end of the pusher dog 3, the first baffle 710 is positioned between the step surface at one end of the outer ring 1 and the limit screw, and a central circular hole of the outer ring 1 is hinged with a shaft at the end of the pusher dog 3; the first baffle 710 is axially limited by a limiting screw to prevent slipping out; second baffle 720 is located between the step face of the outer ring 1 other end and keysets 312, and second baffle 720 center round hole is articulated with the axle of this end of pusher dog 3, and is spacing to second baffle 720 axial through keysets 312, prevents the roll-off.
The bottom plate 610 is fixedly connected with the second star wheel 220, a guide hole is formed in the bottom plate 610, a guide shaft is arranged on the pressing plate 620, the guide shaft is in sliding fit with the guide hole, and a spring 640 is arranged between the bottom plate 610 and the pressing plate 620; one end of the pull rope 650 is connected to the cover 630, the cover 630 is cylindrical, the diameter of the cover 630 is larger than that of the press plate 620, and the pull rope 650 passes through the threading hole of the press plate 620 and the threading hole of the bottom plate 610 and is led out from the bottom plate 610.
The clutch can be used in the occasions that the external member is required to be freely switched under two working conditions of unidirectional locking and bidirectional separation; mechanical triggering is carried out through the pull rope, conversion of two functions is achieved, and the device is more reliable.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (10)
1. A clutch for a revolute pair, comprising:
a first rotatable member having a first rotational axis;
a second rotatable member connected to the first rotatable member and having a second rotation axis coinciding with the first rotation axis;
the one-way transmission member is limited between the first rotatable member and the second rotatable member and is used for realizing one-way rotation transmission connection between the first rotatable member and the second rotatable member;
the method is characterized in that:
a first position and a second position in the first rotatable member or the second rotatable member for selectable movement of the one-way transmission member between different locations, wherein:
the one-way transmission member applying a constraint between the first rotatable member and the second rotatable member to effect the one-way rotational transmission connection when the one-way transmission member is moved to the first position;
when the one-way transmission member is moved to the second position, the one-way transmission member releases the constraint of realizing the one-way transmission connection between the first rotatable member and the second rotatable member;
and the clutch also has a position adjusting mechanism for driving the one-way transmission members to move between the first position and the second position;
the clutch also has a drive mechanism located outside the first rotatable member and the second rotatable member that transmits mechanical drive to the position adjustment mechanism;
and the driving mechanism is provided with a traction piece which is used for being linked with the revolute pair and is used for driving the driving mechanism to transmit mechanical transmission to the position adjusting mechanism when the revolute pair moves.
2. The clutch according to claim 1, wherein the position adjustment mechanism has a rotating shaft whose axis coincides with the first rotation axis or the second rotation axis; the driving mechanism is arranged on the outer sides of the first rotating member and the second rotating member; the driving mechanism is in transmission connection with the rotating shaft and is used for applying torque to the rotating shaft.
3. The clutch of claim 2,
the driving mechanism is hinged with the rotating shaft, and the hinged position is located on the outer edge of the rotating shaft.
4. The clutch of claim 2, wherein the drive mechanism comprises:
a base plate;
the pressing plate is hinged with the rotating shaft and is arranged on the cover body and corresponds to the bottom plate;
the cover body is positioned on one side of the pressing plate, which is far away from the bottom plate;
the spring is arranged between the bottom plate and the pressing plate and sleeved on the cover body;
the traction piece penetrates through the bottom plate and penetrates through the spring, and the traction piece is connected with the cover body.
5. The clutch of claim 4, wherein the outer edge of the end of the shaft is hinged to a connecting rod; the end of the connecting rod is hinged with the pressing plate.
6. The clutch as claimed in claim 5, wherein the end of the rotating shaft is fixedly sleeved with an adapter plate; the edge of the adapter plate is hinged with the connecting rod.
7. The clutch of claim 4, wherein a fixing core fixed to the base plate for fixing the spring is provided between the base plate and the pressure plate.
8. A clutch according to claim 4 in which a housing extends beneath the plate, the portion of the traction member adjacent the plate being located within the housing.
9. The clutch according to claim 1, wherein the second rotatable member is located in the first rotatable member, and a stopper holding the second rotatable member is provided in the axial direction of the first rotatable member or the second rotatable member for stopping the second rotatable member in the axial direction; the limiting piece is connected with the first rotatable component in a sliding mode; the driving mechanism is installed on the limiting part.
10. The clutch of claim 1, wherein the traction member is a rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921850817.2U CN211175111U (en) | 2019-10-30 | 2019-10-30 | Clutch for revolute pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921850817.2U CN211175111U (en) | 2019-10-30 | 2019-10-30 | Clutch for revolute pair |
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| Publication Number | Publication Date |
|---|---|
| CN211175111U true CN211175111U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921850817.2U Active CN211175111U (en) | 2019-10-30 | 2019-10-30 | Clutch for revolute pair |
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| CN (1) | CN211175111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273688A (en) * | 2021-11-29 | 2022-04-05 | 武汉船用机械有限责任公司 | Drilling device |
| CN114770472A (en) * | 2022-04-29 | 2022-07-22 | 华中科技大学 | Bidirectional self-locking non-rear-drive clutch based on wedge-shaped cam and application thereof |
-
2019
- 2019-10-30 CN CN201921850817.2U patent/CN211175111U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273688A (en) * | 2021-11-29 | 2022-04-05 | 武汉船用机械有限责任公司 | Drilling device |
| CN114273688B (en) * | 2021-11-29 | 2023-08-22 | 武汉船用机械有限责任公司 | drilling device |
| CN114770472A (en) * | 2022-04-29 | 2022-07-22 | 华中科技大学 | Bidirectional self-locking non-rear-drive clutch based on wedge-shaped cam and application thereof |
| CN114770472B (en) * | 2022-04-29 | 2023-09-29 | 华中科技大学 | Bidirectional self-locking non-rear-drive clutch based on wedge cam and application thereof |
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