CN202001522U - Controllable overrunning coupler - Google Patents
Controllable overrunning coupler Download PDFInfo
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- CN202001522U CN202001522U CN201120136250XU CN201120136250U CN202001522U CN 202001522 U CN202001522 U CN 202001522U CN 201120136250X U CN201120136250X U CN 201120136250XU CN 201120136250 U CN201120136250 U CN 201120136250U CN 202001522 U CN202001522 U CN 202001522U
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- fork dish
- driving disc
- curved surface
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Abstract
The utility model discloses a controllable overrunning coupler, which comprises an overrunning coupler main body and a control mechanism, wherein the overrunning coupler main body comprises a driving disc, a driven disc, a plurality of frictional combination bodies, a shifting fork disc and an elastic component; the middle part of the driving disc is rotatablely connected with an output shaft on a coaxial line; the driven disc is located in the driving disc and is connected with the output shaft through a spline structure; frictional connection can be formed between the driven disc and the driving disc through the frictional combination bodies between the opposite working faces of the driven disc and the driving disc; the frictional combination bodies are shifted by the shifting fork disc freely sheathed onto the output shaft to realize the synchronous circumferential displacement; and the driving disc and the driven disc can be enabled to be separated from the frictional connection by the elastic component. The control mechanism is provided with a push rod with a wedge-shaped working face; the wedge-shaped working face of the push rod is connected with shifting components which are of a spheroid; and the shifting components move in the radial direction to shift the shifting fork disc to rotate through a control curved surface arranged on the shifting fork disc so as to enable the driving disc and the driven disc to be kept to be at the frictional connection. The controllable overrunning coupler has the beneficial effects of smooth operation, low energy consumption, high response speed, reliable performance and wide application range.
Description
Technical field
The utility model relates to a kind of free wheel device, particularly a kind of controllable overrunning clutch that adopts machinery or electromagnetic force control.
Background technique
Controllable overrunning clutch is the engaging and disengaging gear that is used for mechanical transmission, by the controlling component of machinery or electromagnetism external force operated clutch clutch is implemented control.This clutch generally includes driving disc, driven disc, is provided with fricting working surface and frictional engagement body between driving disc and driven disc, and the shift fork dish that is used to control the frictional engagement body.In normal operation, by the elastic element that is arranged between driving disc and the shift fork dish driving disc and driven disc disengaging friction are connected, surmount working state and be in, when when the shift fork dish is applied machinery or electromagnetic resistance, add resistance and overcome the elastic element elastic force and make driving disc and driven disc realize that by the frictional engagement body friction is connected, thereby realize the working state of rotation synchronously.
At present, the control mode that is used for controllable overrunning clutch is more, and mechanical type, electromagnetic type and electro-mechanical mixed etc. are arranged.Wherein being used for machinery or electro-mechanical mixed a kind of common structure form is to promote to stir the element radial displacement by the wedge shape working surface shift fork dish is rotated, and makes between driving disc and the driven disc and realizes that by the frictional engagement body friction connects, thereby realize rotating synchronously.The existing element of stirring is made rod-shaped elements usually, and the part of sphere is made with the resistance of reducing friction in the rod-shaped elements two ends.But the shaft-like element of stirring deflection occurs easily and clamping stagnation takes place in moving process, so operation has some setbacks, kinetic energy loss is big, speed of response is slow.For this reason, require further improvement.
Summary of the invention
The purpose of this utility model is exactly at the deficiencies in the prior art, provides that a kind of operation is smooth and easy, energy consumption is low, the fast controllable overrunning clutch of speed of response.
For achieving the above object, the utility model adopts following technological scheme.
A kind of controllable overrunning clutch comprises the free wheel device main body and the control mechanism that are made of driving disc, driven disc, frictional engagement body, shift fork dish, resilient member, and the shift fork dish is connected with control mechanism; Wherein, driving disc middle part coaxial line is rotatably connected to output shaft, driven disc is positioned at driving disc one end inside and forms dismantled and assembled fixedlying connected by spline structure and output shaft, the frictional engagement body is positioned in opposite directions between the working surface of driven disc and driving disc, driven disc can form friction by the frictional engagement body with driving disc and be connected, the shift fork dish that several frictional engagement bodies are enclosed within the output shaft outside by sky is jointly stirred and is realized that circumferentially displacement synchronously, resilient member can make driving disc and driven disc break away from friction and be connected; Described control mechanism is provided with the push rod with wedge shape working surface, be connected with the element of stirring that can move radially on the wedge shape working surface of push rod, stir element and can stir the rotation of shift fork dish so that driving disc keeps friction to be connected with driven disc by the control curved surface that the shift fork dish is provided with, the described element of stirring is a spheroid.
Adopt the utility model of aforementioned techniques scheme, because the element of stirring of control mechanism is a spheroid, when needs driving disc and driven disc and output shaft rotary synchronously, push rod is moved inward by external force, stir element when the effect lower edge of push rod output shaft moves radially, can rotate around the centre of sphere of himself, therefore, can catching phenomenon not appear in the course of the work and surface friction drag is little, so operation is smooth and easy, energy consumption is low, speed of response is fast.
Clutch agent structure of the present utility model is made of driving disc, driven disc, frictional engagement body, shift fork dish, resilient member, and its structural type comprises roller or structural types such as ball type, wedge block type.Roller or ball type structure are meant that the frictional engagement body is roller or ball form, is provided with the working curved surface with lift characteristics between driving disc and driven disc; The wedge block type structure is meant that the frictional engagement body is the voussoir form, and it is provided with two retainers control voussoirs, and according to the different situations of the resilient member and the voussoir of its setting, one of them retainer can be used as the shift fork dish and uses.This shows, of the present utility model applied widely.
Pusher structure form of the present utility model can adopt the rotary structure of shaft-like or tubulose, when adopting rod shaped structure, output shaft is provided for holding the push rod matching hole, when adopting tubular structure, driven disc is provided with outwardly directed ring-type bead, and ring-type bead inwall and output shaft periphery form the space of containing pipe shape push rod.Its structural type is flexible, can be used for the clutch of different moment of torsion delivery requests, further widens Applicable scope.
When circular arc is adopted in its cross section of the control curved surface of shift fork dish in the control mechanism of the present utility model, can further guarantee to operate technique effect smooth and easy, that energy consumption is low, speed of response is fast.
The utility model also can be at any one elastomer in push rod setting such as cushion, butterfly spring, the pressure spring.When the needs clutch is in the overdrive clutch working state, after acting on the external force elimination on the push rod, elastomer has the rapid return of effect that continues outside promotion to push rod, making driven disc and output shaft break away from friction with driving disc under the effect of shift fork dish, resilient member is connected, and being in, clutch surmounts working state, to guarantee to surmount the reliability of working state.
The utility model beneficial effect compared with prior art is, operate smooth and easy, energy consumption is low, speed of response is fast, surmounts reliable working performance, and is and applied widely.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation;
Fig. 2 is the A-A sectional view among the utility model Fig. 1;
B among Fig. 3 the utility model Fig. 1-B sectional view;
Fig. 4 is the shift fork dish structural representation of embodiment 1 in the utility model;
The right elevation of Fig. 5 the utility model Fig. 4;
Fig. 6 is the utility model embodiment 2 a structural representation;
Fig. 7 is that the output shaft 1 among the utility model embodiment 2 forms the structural representation that friction is connected with driving disc 2;
Fig. 8 is the structural representation of the driven disc 3 among the utility model embodiment 2;
Fig. 9 is the left view of the utility model Fig. 8;
Figure 10 is the structural representation of the shift fork dish 6 among the utility model embodiment 2;
Figure 11 is the left view of the utility model Figure 10;
Figure 12 is the utility model embodiment 3 a structural representation;
Figure 13 is the utility model embodiment 4 a structural representation;
Figure 14 is the structural representation of the driven disc 3 among the utility model embodiment 3;
Figure 15 is the left view of the utility model Figure 14;
Figure 16 is the structural representation of the driven disc 3 among the utility model embodiment 4;
Figure 17 is the left view of the utility model Figure 16;
Figure 18 is the structural representation of the shift fork dish 6 among the utility model embodiment 4;
Figure 19 is the left view of the utility model Figure 18;
Figure 20 is model utility embodiment 5 a structural representation;
Figure 21 is the C-C sectional view among model utility Figure 20;
Figure 22 is model utility embodiment 6 a structural representation;
Figure 23 is model utility embodiment 7 a structural representation;
Figure 24 is the D-D sectional view among model utility Figure 23;
Figure 25 is model utility embodiment 8 a structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described, but therefore the utility model is not limited among the described scope of embodiments.
Embodiment 1Referring to Fig. 1,2,3,4,5, a kind of controllable overrunning clutch comprises the free wheel device main body and the control mechanism that are made of driving disc 2, driven disc 3, frictional engagement body 5, shift fork dish 6, resilient member 7, and shift fork dish 6 is connected with control mechanism; Wherein, driving disc 2 middle part coaxial lines are rotatably connected to output shaft 1, driven disc 3 is positioned at driving disc 2 one ends inside and forms dismantled and assembled fixedlying connected by spline structure and output shaft 1, frictional engagement body 5 is in opposite directions between the working surface of driven disc 3 and driving disc 2, driven disc 3 can form friction by frictional engagement body 5 with driving disc 2 and be connected, the shift fork dish 6 that several frictional engagement bodies 5 are enclosed within output shaft 1 outside by sky is jointly stirred and is realized that circumferentially displacement synchronously, resilient member 7 can make driving disc 2 break away from friction with driven disc 3 and be connected; Described control mechanism is provided with the push rod 8 with wedge shape working surface, be connected with on the wedge shape working surface of push rod 8 can move radially stir element 9, stir element 9 and can stir 6 rotations of shift fork dish so that driving disc 2 keeps friction to be connected with driven disc 3 by the control curved surface 63 that shift fork dish 6 is provided with, the described element 9 of stirring is spheroid.
Described push rod 8 is the solid of rotation that are shaft-like, and the wedge shape working surface of push rod 8 is a surface of revolution, and the wedge shape working surface ecto-entad of push rod 8 diminishes gradually; Described shift fork dish 6 is actively socketed on output shaft 1 excircle by its endoporus, and the cross section of the control curved surface 63 that shift fork dish 6 is provided with is circular arc, and control curved surface 63 is positioned on the inner hole wall of shift fork dish 6; The respective end of described output shaft 1 is provided with the matching hole 1a that is used to hold push rod 8, and push rod 8 is slidingly matched with matching hole 1a, also is provided with the pin-shifting hole 1b with the vertical perforation of matching hole 1a on the output shaft 1; The described element 9 of stirring is slidingly fitted among the pin-shifting hole 1b, stirs the part that element 9 exposes pin-shifting hole 1b and can form being slidingly connected that point contacts with the control curved surface 63 of shift fork dish 6, stirs element 9 and stirs shift fork dish 6 by control curved surface 63.
Described matching hole 1a bottom is provided with elastomer 14, and elastomer 14 is connected with push rod 8 interior edge faces.
Described elastomer 14 is a pressure spring.
Described driven disc 3 is the cylndrical surface with the forward surface of driving disc 2; Described cam curved surface is the cam ring curved surface, and the cam ring curved surface is located on the cam 10, and the cam ring curved surface runs through the internal surface that cam 10 thickness form cam 10, and cam 10 is connected in the driving disc 2 by screw; Described driving disc 2 is kept or breaks away from friction with driven disc 3 being connected by frictional engagement body 5 by cam 10; One end of described shift fork dish 6 is positioned at driving disc 2 outsides, and shift fork dish 6 stretches on the driving disc 2 inner the other end end faces and is evenly distributed in the groove 61 that several are used to hold frictional engagement body 5, and the quantity of groove 61 equates with the quantity of frictional engagement body 5; Also be evenly equipped with the projection 62 of a plurality of projections on the side in opposite directions of shift fork dish 6 and driving disc 2, the quantity of projection 62 equates with the quantity of resilient member 7; Outwards be extruded with protruding rank on the side in opposite directions of described driving disc 2 and shift fork dish 6, on the end face of protruding rank, be evenly distributed in a plurality of Baltimore grooves 21; Projection 62 front ends of described shift fork dish 6 stretch in the Baltimore groove 21; Described resilient member 7 is arranged in Baltimore groove 21, and resilient member 7 two ends are connected with Baltimore groove 21 1 end madial walls with projection 62 respectively, and resilient member 7 pushes away driven disc 3 external cylindrical surfaces by shift fork dish 6 with frictional engagement body 5; Described resilient member 7 is a pressure spring; A kind of in the ball that described frictional engagement body 5 is cylindrical roller or spheroid.
Embodiment 2Referring to Fig. 6,7,8,9,10,11, described driving disc 2 is the cylndrical surface with the forward surface of driven disc 3; Described cam curved surface is the external cam curved surface, and the external cam curved surface is located on the driven disc 3, and cam curved surface runs through driven disc 3 thickness, and driven disc 3 is kept or break away from friction with driving disc 2 being connected by frictional engagement body 5 by the external cam curved surface on it; One end of described shift fork dish 6 is positioned at driving disc 2 outsides, and shift fork dish 6 stretches on the driving disc 2 inner the other end end faces and is evenly distributed in the groove 61 that several are used to hold frictional engagement body 5, and the quantity of groove 61 equates with the quantity of frictional engagement body 5; Also be evenly distributed in a plurality of waist shape pits 64 on the side in opposite directions of described shift fork dish 6 and driven disc 3, driven disc 3 is provided with the dog 32 that stretches in the waist shape pit 64, and the quantity of dog 32 equates with resilient member 7; Described resilient member 7 is arranged in waist shape pit 64, and resilient member 7 two ends are connected with waist shape pit 64 1 end madial walls with dog 32 respectively, and resilient member 7 pushes away frictional engagement body 5 by shift fork dish 6 inner cylindrical surface of driving disc 2; Described resilient member 7 is a pressure spring; A kind of in the ball that described frictional engagement body 5 is cylindrical roller or spheroid.
All the other structures of present embodiment are identical with embodiment 1, do not repeat them here.
Embodiment 3Referring to Figure 12,14,15, described driven disc 3 outwards is extruded with ring-type bead 31, is formed with looping pit 4 between the periphery on ring-type bead 31 and the output shaft 1; Described push rod 8 is solid of rotation in a tubular form, and the wedge shape working surface of push rod 8 is a surface of revolution, and the wedge shape working surface ecto-entad of push rod 8 diminishes gradually, and push rod 8 is slidingly fitted in the looping pit 4 that forms between ring-type bead 31 and the output shaft 1 by its endoporus; The sidewall of ring-type bead 31 is provided with the perforation 31a with looping pit 4 vertical perforations; Described shift fork dish 6 activities are changed on ring-type bead 31 excircles that are enclosed within external conical sleeve 12a, and the cross section of the control curved surface 63 that shift fork dish 6 is provided with is circular arc, and control curved surface 63 is positioned on the inner hole wall of shift fork dish 6; The described element 9 of stirring is slidingly fitted among the perforation 31a, stirs part that element 9 exposes the 31a that bore a hole and can form with the control curved surface 63 of shift fork dish 6 and put being slidingly connected of contacting, and stirs element 9 and stirs shift fork dish 6 by control curved surface 63.
Described endless elastomeric 15 is a pressure spring.
All the other structures of present embodiment are identical with embodiment 1, do not repeat them here.
Embodiment 4Referring to Figure 13,16,17,18,19, described driven disc 3 outwards is extruded with ring-type bead 31, is formed with looping pit 4 between the periphery on ring-type bead 31 and the output shaft 1; Described push rod 8 is solid of rotation in a tubular form, and the wedge shape working surface of push rod 8 is a surface of revolution, and the wedge shape working surface ecto-entad of push rod 8 diminishes gradually, and push rod 8 is slidingly fitted in the looping pit 4 that forms between ring-type bead 31 and the output shaft 1 by its endoporus; The sidewall of ring-type bead 31 is provided with the perforation 31a with looping pit 4 vertical perforations; Described shift fork dish 6 activities are changed on ring-type bead 31 excircles that are enclosed within external conical sleeve 12a, and the cross section of the control curved surface 63 that shift fork dish 6 is provided with is circular arc, and control curved surface 63 is positioned on the inner hole wall of shift fork dish 6; The described element 9 of stirring is slidingly fitted among the perforation 31a, stirs part that element 9 exposes the 31a that bore a hole and can form with the control curved surface 63 of shift fork dish 6 and put being slidingly connected of contacting, and stirs element 9 and stirs shift fork dish 6 by control curved surface 63.
Described endless elastomeric 15 is a pressure spring.
All the other structures of present embodiment are identical with embodiment 2, do not repeat them here.
Embodiment 5Referring to Figure 20,21,22, a kind of controllable overrunning clutch, described clutch main body is the two retainer structure clutches of wedge block type; Described free wheel device main body and the control mechanism that constitutes by driving disc 2, driven disc 3, frictional engagement body 5, shift fork dish 6, resilient member 7 that comprise, shift fork dish 6 is connected with control mechanism; Wherein, driving disc 2 middle part coaxial lines are rotatably connected to output shaft 1, driven disc 3 is positioned at driving disc 2 one ends inside and forms dismantled and assembled fixedlying connected by spline structure and output shaft 1, frictional engagement body 5 is in opposite directions between the working surface of driven disc 3 and driving disc 2, driven disc 3 can form friction by frictional engagement body 5 with driving disc 2 and be connected, the shift fork dish 6 that several frictional engagement bodies 5 are enclosed within output shaft 1 outside by sky is jointly stirred and is realized that circumferentially displacement synchronously, resilient member 7 can make driving disc 2 break away from friction with driven disc 3 and be connected; Described control mechanism is provided with the push rod 8 with wedge shape working surface, be connected with on the wedge shape working surface of push rod 8 can move radially stir element 9, stir element 9 and can stir 6 rotations of shift fork dish so that driving disc 2 keeps friction to be connected with driven disc 3 by the control curved surface 63 that shift fork dish 6 is provided with, the described element 9 of stirring is spheroid.
Described driving disc 2 is the cylndrical surface with the forward surface of driven disc 3; Described frictional engagement body 5 is the wedge block type structure, frictional engagement body 5 also is connected with the second shift fork dish 6a, the second shift fork dish 6a and shift fork dish 6 coaxial lines, the second shift fork dish 6a is positioned at shift fork dish 6 inside, and the second shift fork dish 6a is fixedlyed connected with driven disc 3 with screw by ring-type transition disc 65; Shift fork dish 6 also is connected with ring-type brake disc 66 by screw, and described control curved surface 63 is located on the brake disc 66; Described resilient member 7 is a Spring Steel Band.
Described push rod 8 is the solid of rotation that are shaft-like, and the wedge shape working surface of push rod 8 is a surface of revolution, and the wedge shape working surface ecto-entad of push rod 8 diminishes gradually; Described shift fork dish 6 is actively socketed on output shaft 1 excircle by its endoporus, and the cross section of the control curved surface 63 that shift fork dish 6 is provided with is circular arc, and control curved surface 63 is positioned on the inner hole wall of shift fork dish 6; The respective end of described output shaft 1 is provided with the matching hole 1a that is used to hold push rod 8, and push rod 8 is slidingly matched with matching hole 1a, also is provided with the pin-shifting hole 1b with the vertical perforation of matching hole 1a on the output shaft 1; The described element 9 of stirring is slidingly fitted among the pin-shifting hole 1b, stirs the part that element 9 exposes pin-shifting hole 1b and can form being slidingly connected that point contacts with the control curved surface 63 of shift fork dish 6, stirs element 9 and stirs shift fork dish 6 by control curved surface 63.
Described matching hole 1a bottom is provided with elastomer 14, and elastomer 14 is connected with push rod 8 interior edge faces.
Described elastomer 14 is a pressure spring.
Embodiment 6Referring to Figure 23, described driven disc 3 outwards is extruded with ring-type bead 31, is formed with looping pit 4 between the periphery on ring-type bead 31 and the output shaft 1; Described push rod 8 is solid of rotation in a tubular form, and the wedge shape working surface of push rod 8 is a surface of revolution, and the wedge shape working surface ecto-entad of push rod 8 diminishes gradually, and push rod 8 is slidingly fitted in the looping pit 4 that forms between ring-type bead 31 and the output shaft 1 by its endoporus; The sidewall of ring-type bead 31 is provided with the perforation 31a with looping pit 4 vertical perforations; Described shift fork dish 6 activities are changed on ring-type bead 31 excircles that are enclosed within external conical sleeve 12a, and the cross section of the control curved surface 63 that shift fork dish 6 is provided with is circular arc, and control curved surface 63 is positioned on the inner hole wall of shift fork dish 6; The described element 9 of stirring is slidingly fitted among the perforation 31a, stirs part that element 9 exposes the 31a that bore a hole and can form with the control curved surface 63 of shift fork dish 6 and put being slidingly connected of contacting, and stirs element 9 and stirs shift fork dish 6 by control curved surface 63.
Described endless elastomeric 15 is a pressure spring.
All the other structures of present embodiment are identical with embodiment 5, do not repeat them here.
Embodiment 7Referring to Figure 24,25, the described second shift fork dish 6a is positioned at shift fork dish 6 outsides, and the second shift fork dish 6a is fixedlyed connected with driving disc 2 with screw by ring-type transition disc 65.
All the other structures of present embodiment are identical with embodiment 5, do not repeat them here.
Embodiment 8Referring to Figure 26, the described second shift fork dish 6a is positioned at shift fork dish 6 inside, and the second shift fork dish 6a is fixedlyed connected with driven disc 3 with screw by ring-type transition disc 65.
All the other structures of present embodiment are identical with embodiment 6, do not repeat them here.
Employed clutch main body is the wedge block type clutch of two retainers among the embodiment 5～8, it mainly contains two kinds of structural types, its difference is that interior retainer or outer retainer (being the shift fork dish 6 of the present utility model and the second shift fork dish 6a) are respectively as controlling component, realize breaking away from the purpose that surmounts working state to reach, having voussoir (and frictional engagement body 5 of the present utility model) on its structure is often to contact with the driving disc working surface or with the driven disc working surface, and between inside and outside retainer the direction difference of spring band (and elastomer 7 of the present utility model) active force.These contents belong to the known technology of related domain, need not give unnecessary details at this.
Though more than combine accompanying drawing and described mode of execution of the present utility model, but those of ordinary skill in the art also can recognize in the scope to claims and makes various variations or modification, as the wedge shape working surface of the push rod in the utility model is made the mode that ecto-entad increases gradually, realize that by the pulling push rod clutch breaks away from the purpose of the state that is more than, the interior edge face bottom of corresponding push rod can be provided with extension spring etc.These modifications and variations are interpreted as within scope of the present utility model and intention.
Claims (10)
1. a controllable overrunning clutch comprises the free wheel device main body and the control mechanism that are made of driving disc (2), driven disc (3), frictional engagement body (5), shift fork dish (6), resilient member (7), and shift fork dish (6) is connected with control mechanism; Wherein, driving disc (2) middle part coaxial line is rotatably connected to output shaft (1), driven disc (3) is positioned at driving disc (2) one ends inside and forms dismantled and assembled fixedlying connected by spline structure and output shaft (1), frictional engagement body (5) is positioned at driven disc (3) and in opposite directions between the working surface of driving disc (2), driven disc (3) can form friction by frictional engagement body (5) with driving disc (2) and be connected, several frictional engagement bodies (5) are enclosed within the outside shift fork dish (6) of output shaft (1) by sky jointly and stir realization circumferentially displacement synchronously, and resilient member (7) can make driving disc (2) and driven disc (3) disengaging friction be connected; Described control mechanism is provided with the push rod (8) with wedge shape working surface, be connected with on the wedge shape working surface of push rod (8) can move radially stir element (9), stir element (9) and can stir shift fork dish (6) rotation so that driving disc (2) keeps friction to be connected with driven disc (3) by the control curved surface (63) that shift fork dish (6) are provided with, it is characterized in that: the described element (9) of stirring is a spheroid.
2. controllable overrunning clutch according to claim 1 is characterized in that: described push rod (8) is the solid of rotation that is shaft-like, and the wedge shape working surface of push rod (8) is a surface of revolution, and the wedge shape working surface ecto-entad of push rod (8) diminishes gradually; Described shift fork dish (6) is actively socketed on output shaft (1) excircle by its endoporus, and the cross section of the control curved surface (63) that shift fork dish (6) is provided with is circular arc, and control curved surface (63) is positioned on the inner hole wall of shift fork dish (6); The respective end of described output shaft (1) is provided with the matching hole (1a) that is used to hold push rod (8), and push rod (8) is slidingly matched with matching hole (1a), also is provided with the pin-shifting hole (1b) with the vertical perforation of matching hole (1a) on the output shaft (1); The described element (9) of stirring is slidingly fitted in the pin-shifting hole (1b), stir the part that element (9) exposes pin-shifting hole (1b) and can form being slidingly connected that point contacts, stir element (9) and stir shift fork dish (6) by control curved surface (63) with the control curved surface (63) of shift fork dish (6).
3. controllable overrunning clutch according to claim 2 is characterized in that: described matching hole (1a) bottom is provided with elastomer (14), and elastomer (14) is connected with push rod (8) interior edge face.
4. controllable overrunning clutch according to claim 3 is characterized in that: described elastomer (14) is a pressure spring.
5. controllable overrunning clutch according to claim 1 is characterized in that: described driven disc (3) outwards is extruded with ring-type bead (31), and ring-type bead (31) and output shaft (1) are gone up between the periphery and be formed with looping pit (4); Described push rod (8) is a solid of rotation in a tubular form, the wedge shape working surface of push rod (8) is a surface of revolution, the wedge shape working surface ecto-entad of push rod (8) diminishes gradually, and push rod (8) is slidingly fitted in the looping pit (4) that forms between ring-type bead (31) and the output shaft (1) by its endoporus; The sidewall of ring-type bead (31) is provided with the perforation (31a) with the vertical perforation of looping pit (4); Described shift fork dish (6) activity is changed on ring-type bead (31) excircle that is enclosed within external conical sleeve (12a), and the cross section of the control curved surface (63) that shift fork dish (6) is provided with is circular arc, and control curved surface (63) is positioned on the inner hole wall of shift fork dish (6); The described element (9) of stirring is slidingly fitted in the perforation (31a), stir the part that element (9) exposes perforation (31a) and can form being slidingly connected that point contacts, stir element (9) and stir shift fork dish (6) by control curved surface (63) with the control curved surface (63) of shift fork dish (6).
6. controllable overrunning clutch according to claim 5 is characterized in that: annular aperture (4) bottom that described ring-type bead (31) forms is provided with endless elastomeric (15), and endless elastomeric (15) is connected with push rod (8) interior edge face.
7. controllable overrunning clutch according to claim 6 is characterized in that: described endless elastomeric (15) is a pressure spring.
8. controllable overrunning clutch according to claim 1 is characterized in that: described driven disc (3) is the cylndrical surface with the forward surface of driving disc (2); Described cam curved surface is the cam ring curved surface, and the cam ring curved surface is located on the cam (10), and the cam ring curved surface runs through the internal surface that cam (10) thickness forms cam (10), and cam (10) is connected in the driving disc (2) by screw; Described driving disc (2) is kept with driven disc (3) or breaks away from friction being connected by frictional engagement body (5) by cam (10); One end of described shift fork dish (6) is positioned at driving disc (2) outside, shift fork dish (6) stretches into and is evenly distributed in several grooves that is used to hold frictional engagement body (5) (61) on the inner the other end end face of driving disc (2), and the quantity of groove (61) equates with the quantity of frictional engagement body (5); Also be evenly equipped with the projection (62) of a plurality of projections on the side in opposite directions of shift fork dish (6) and driving disc (2), the quantity of projection (62) equates with the quantity of resilient member (7); Outwards be extruded with protruding rank on the side in opposite directions of described driving disc (2) and shift fork dish (6), on the end face of protruding rank, be evenly distributed in a plurality of Baltimore grooves (21); Projection (62) front end of described shift fork dish (6) stretches in the Baltimore groove (21); Described resilient member (7) is arranged in Baltimore groove (21), resilient member (7) two ends are connected with Baltimore groove (21) one end madial walls with projection (62) respectively, and resilient member (7) pushes away driven disc (3) external cylindrical surface by shift fork dish (6) with frictional engagement body (5); Described resilient member (7) is a pressure spring; Described frictional engagement body (5) is a kind of in the ball of cylindrical roller or spheroid.
9. controllable overrunning clutch according to claim 1 is characterized in that: described driving disc (2) is the cylndrical surface with the forward surface of driven disc (3); Described cam curved surface is the external cam curved surface, the external cam curved surface is located on the driven disc (3), cam curved surface runs through driven disc (3) thickness, and driven disc (3) is kept with driving disc (2) or break away from friction being connected by frictional engagement body (5) by the external cam curved surface on it; One end of described shift fork dish (6) is positioned at driving disc (2) outside, shift fork dish (6) stretches into and is evenly distributed in several grooves that is used to hold frictional engagement body (5) (61) on the inner the other end end face of driving disc (2), and the quantity of groove (61) equates with the quantity of frictional engagement body (5); Also be evenly distributed in a plurality of waist shape pits (64) on the side in opposite directions of described shift fork dish (6) and driven disc (3), driven disc (3) is provided with the dog (32) that stretches in the waist shape pit (64), and the quantity of dog (32) equates with resilient member (7); Described resilient member (7) is arranged in waist shape pit (64), resilient member (7) two ends are connected with waist shape pit (64) one end madial walls with dog (32) respectively, and resilient member (7) pushes away frictional engagement body (5) by shift fork dish (6) inner cylindrical surface of driving disc (2); Described resilient member (7) is a pressure spring; Described frictional engagement body (5) is a kind of in the ball of cylindrical roller or spheroid.
10. controllable overrunning clutch according to claim 1 is characterized in that: described clutch main body is the two retainer structure clutches of wedge block type; Described driving disc (2) is the cylndrical surface with the forward surface of driven disc (3); Described frictional engagement body (5) is the wedge block type structure, frictional engagement body (5) also is connected with the second shift fork dish (6a), the second shift fork dish (6a) and shift fork dish (6) coaxial line, the second shift fork dish (6a) or be positioned at shift fork dish (6) outside, the second shift fork dish (6a) is fixedlyed connected with driving disc (2) or with driven disc (3) with screw by ring-type transition disc (65); Shift fork dish (6) also is connected with ring-type brake disc (66) by screw, and described control curved surface (63) is located on the brake disc (66); Described resilient member (7) is a Spring Steel Band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120136250XU CN202001522U (en) | 2011-05-03 | 2011-05-03 | Controllable overrunning coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120136250XU CN202001522U (en) | 2011-05-03 | 2011-05-03 | Controllable overrunning coupler |
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| Publication Number | Publication Date |
|---|---|
| CN202001522U true CN202001522U (en) | 2011-10-05 |
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|---|---|---|---|
| CN201120136250XU Expired - Fee Related CN202001522U (en) | 2011-05-03 | 2011-05-03 | Controllable overrunning coupler |
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| Country | Link |
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| CN (1) | CN202001522U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494051A (en) * | 2011-11-25 | 2012-06-13 | 浙江捷昌线性驱动科技股份有限公司 | Overrunning clutch for power-driven push rod |
| CN102518759A (en) * | 2011-10-28 | 2012-06-27 | 重庆阿尔迪机电技术开发有限公司 | Three-gear speed transformation device applying controllable overrunning clutch structures |
| CN102661362A (en) * | 2012-05-18 | 2012-09-12 | 重庆阿尔迪机电技术开发有限公司 | Variable-speed shaft and variable-speed driving system for electric vehicle |
| CN109743954A (en) * | 2017-11-08 | 2019-05-14 | 南京德朔实业有限公司 | Hand propelled self-powered traveling machine |
| CN114251382A (en) * | 2021-12-28 | 2022-03-29 | 中铁十一局集团有限公司 | Bidirectional overrunning clutch |
-
2011
- 2011-05-03 CN CN201120136250XU patent/CN202001522U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518759A (en) * | 2011-10-28 | 2012-06-27 | 重庆阿尔迪机电技术开发有限公司 | Three-gear speed transformation device applying controllable overrunning clutch structures |
| CN102494051A (en) * | 2011-11-25 | 2012-06-13 | 浙江捷昌线性驱动科技股份有限公司 | Overrunning clutch for power-driven push rod |
| CN102494051B (en) * | 2011-11-25 | 2013-07-17 | 浙江捷昌线性驱动科技股份有限公司 | Overrunning clutch for power-driven push rod |
| CN102661362A (en) * | 2012-05-18 | 2012-09-12 | 重庆阿尔迪机电技术开发有限公司 | Variable-speed shaft and variable-speed driving system for electric vehicle |
| CN109743954A (en) * | 2017-11-08 | 2019-05-14 | 南京德朔实业有限公司 | Hand propelled self-powered traveling machine |
| CN114251382A (en) * | 2021-12-28 | 2022-03-29 | 中铁十一局集团有限公司 | Bidirectional overrunning clutch |
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