CN204592081U - Centrifugal clutch and speed change gear - Google Patents
Centrifugal clutch and speed change gear Download PDFInfo
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- CN204592081U CN204592081U CN201520256073.7U CN201520256073U CN204592081U CN 204592081 U CN204592081 U CN 204592081U CN 201520256073 U CN201520256073 U CN 201520256073U CN 204592081 U CN204592081 U CN 204592081U
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- centrifugal
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Abstract
The utility model discloses a kind of centrifugal clutch and speed change gear, clutch comprises driving shaft, driven disc and multiple Self-resetting centrifugal-block, driving shaft is formed with a polished rod section and a spiral outer spline section, the polished rod section of driving shaft is set with the helical spline cover that can coordinate with spiral external splines, this helical spline overlaps between driven disc and Self-resetting centrifugal-block, helical spline cover and the normally disengaged clutch structure being formed with end face between driven disc and engaging; Self-resetting centrifugal-block, for after making helical spline cover be engaged with the outer spiral spline section of driving shaft by helical spline cooperating structure, forms the combination of end-engaging clutch structure between helical spline cover with driven disc.This centrifugal clutch structure is formed in speed change gear.The beneficial effects of the utility model are, centrifugal clutch combines rapidly, and the threshold state time is short, and noise is little.The response of speed change gear speed change is fast, and the threshold state time is short, and for battery-operated motor cycle, vehicle has rotating forward two-gear automatic speed changing, reversion exports and neutral position sliding function.
Description
Technical field
The utility model relates to a kind of clutch, particularly a kind of centrifugal clutch and speed change gear.
Background technique
In automatic shifting speed variator, conventional mono-directional overrun clutch is also known as one-way element, double rolling key clutch, controllable overrunning clutch, centrifugal clutch etc.The driving link of mono-directional overrun clutch can drive driven member towards direction initialization one-way rotation, and in like manner, driven member can drive driving link to rotate backward; The driving link of double rolling key clutch can drive the forward and reverse rotation of driven member, and driven member can not drive driving link to rotate.Centrifugal clutch be by centrifugal-block with the rotating speed of driving link reach setting value upper in limited time, the centrifugal motion of centrifugal-block converts the control driving of clutch configuration to, clutch is made to form bonding state, prescribe a time limit lower than under setting value at the rotating speed of driving link, Self-resetting element makes clutch form separated state.When the rotating speed of driving link fluctuates near setting value, clutch being caused to be in the frequent transitions process departed from combining, very easily to cause clutch damage.For this reason, require further improvement.
Summary of the invention
The utility model object first object is for the deficiencies in the prior art, a kind of centrifugal clutch is provided, it is mobile that this clutch utilizes Self-resetting centrifugal-block to promote helical spline cover, and the end face clutch structure utilizing helical spline to overlap between driven disc forms centrifugal clutch, after end-engaging clutch forms preliminary combination, no matter whether Self-resetting centrifugal-block is also formed with thrust to it, and helical spline cover utilizes spinning behaviour automatically to make end-engaging clutch be formed and stings tight state.Disengagement can not be exited because the rotating speed of driving shaft suitably reduces; Can greatly reduce or eliminate the threshold state of clutch, thus effectively extend life of clutch.Second object of the present utility model is to provide a kind of gearshift rapidly, and the speed change gear that noise is little.
For realizing the first object, the utility model adopts following technological scheme.
A kind of centrifugal clutch, comprise driving shaft, driven disc and multiple Self-resetting centrifugal-block, driven disc is coaxially rotating to be sleeved on driving shaft, described driving shaft is formed with a polished rod section and a spiral outer spline section, driving shaft is set with the helical spline cover that can coordinate with spiral external splines by polished rod section is rotating, this helical spline overlaps between described driven disc and Self-resetting centrifugal-block, helical spline cover and the clutch configuration being formed with end face between driven disc and engaging, this clutch configuration forms normally open by reseting elastic element; It is mobile that described Self-resetting centrifugal-block is used for promoting helical spline cover when driving shaft reaches setting speed, after being engaged with the outer spiral spline section of driving shaft by helical spline cooperating structure to make helical spline cover, form the combination of end-engaging clutch structure between helical spline cover and driven disc.
Adopt the utility model of preceding solution, driving shaft forward and reverse rotation under external force drives, helical spline cover is rotatingly sleeved on driving shaft, and under reseting elastic element effect with driving shaft synchronous axial system, or form certain relatively rotating with driving shaft under effect of inertia.When driving shaft rotating speed reaches setting value, helical spline moves near active axial screw outer spline section under being enclosed within the effect of Self-resetting centrifugal-block, when driving shaft possesses the sense of rotation of setting, helical spline cover screws on active axial screw outer spline section by helical spline cooperating structure, then make the helical spline end-engaging clutch structure of overlapping between driven disc be formed to combine, thus realize driving shaft drive driven disc synchronous axial system.When the Hand of spiral of helical spline be arranged to driving shaft rotate forward time, helical spline cover and initiatively axial screw outer spline section screw, and during driving shaft counterrotating, helical spline cover and initiatively axial screw outer spline section exit the state of screwing and formed and relatively rotate.Therefore, when helical spline cover screws togather with the helical spline structure of driving shaft, and after end-engaging clutch forms preliminary combination, no matter whether Self-resetting centrifugal-block is also formed with thrust to it, helical spline cover utilizes spinning behaviour automatically to make end-engaging clutch structure be formed and stings tight state.Disengagement can not be exited because the rotating speed of driving shaft suitably reduces; Greatly can reduce or eliminate the threshold state time of clutch, thus effectively extend life of clutch, there is the beneficial effect reducing noise simultaneously.Wherein, the quantity of Self-resetting centrifugal-block is 2 ~ 5; Elastic element can be cylindroid helicalcoil compression spring, disc spring, or any one in the elastic sleeve be made up of elastomeric material etc.
Preferably, the L-shaped structure of described Self-resetting centrifugal-block, Self-resetting centrifugal-block is by articulated manner circumference uniform distribution on driving shaft, and the hinged axle center of Self-resetting centrifugal-block is positioned at L shape two-arm intersection, and the hinge axes of Self-resetting centrifugal-block is vertical and depart from driving shaft axis.So that by the L shape vertical edge of Self-resetting centrifugal-block is parallel to driving shaft, the horizontal edge of multiple Self-resetting centrifugal-block is arranged in mode in opposite directions, helical spline cover is connected by the horizontal edge of Self-resetting centrifugal-block, thus when driving shaft rotates, the vertical edge of Self-resetting centrifugal-block is to extrinsic deflection, horizontal edge deflects forward and promotes the reach of helical spline cover, then the helical spline cover realized under setting sense of rotation and speed conditions engages with driving shaft outer spiral spline, and the combination of end-engaging clutch structure.
Preferably, described Self-resetting centrifugal-block is connected with described driving shaft by hinged seat, and hinged seat is formed on fixed tray, and this fixed tray is fixedly connected on driving shaft.To be realized hinged on driving shaft of Self-resetting centrifugal-block by fixed tray, when for transmission system, utilize power input gear as fixed tray, effectively to reduce number of spare parts, reduce the workload that assembling and setting etc. is with high content of technology, reduce manufacture cost.
Preferred further, be connected with torsion spring between described Self-resetting centrifugal-block and hinged seat.The Self-resetting effect of further reinforcement Self-resetting centrifugal-block.
Preferably, described Self-resetting centrifugal-block radially removable mode is connected with described driving shaft, and the inner cone dish that Self-resetting centrifugal-block is arranged with by described helical spline overlaps with helical spline and is connected.With the conical surface effect by inner cone dish Self-resetting centrifugal-block moved radially and be converted to moving axially of helical spline cover, then the helical spline cover realized under setting sense of rotation and speed conditions engages with driving shaft outer spiral spline, and the combination of end-engaging clutch structure.
For realizing the second object, the utility model adopts following technological scheme.
A kind of speed change gear, comprise input shaft and output shaft, input shaft and output shaft are respectively equipped with top gear gear mesh and the bottom gear gear mesh of corresponding normal engagement, the bottom gear driving gear of described bottom gear gear mesh is coaxially fixedly connected on input shaft, the bottom gear driven gear of bottom gear gear mesh is sleeved on described output shaft by double rolling key clutch, and this double rolling key clutch is used for bottom gear driven gear and drives the forward and reverse rotation of output shaft synchronous; The top gear driving gear of described top gear gear mesh is rotating to be sleeved on described input shaft, input shaft is formed with a polished rod section and a spiral outer spline section, input shaft is set with the helical spline cover that can coordinate with spiral external splines by polished rod section is rotating, this helical spline cover is connected with multiple Self-resetting centrifugal-block, helical spline cover and the clutch configuration being formed with end face between top gear driving gear and engaging, this clutch configuration forms normally open by reseting elastic element; It is mobile that described Self-resetting centrifugal-block is used for promoting helical spline cover when input shaft reaches setting speed, after being engaged with the outer spiral spline section of input shaft by helical spline cooperating structure to make helical spline cover, form the combination of end-engaging clutch structure between helical spline cover and top gear driving gear; The top gear driven gear of described top gear gear mesh is coaxially fixedly connected on described output shaft.
Adopt the utility model of preceding solution, top gear driving gear and input shaft form centrifugal clutch structure by Self-resetting centrifugal-block and clutch structure that between screw-casing with top gear driving gear, end face engages.When input shaft forward low speed rotation under outside motivational drive, power is delivered on bottom gear driven gear by bottom gear gear mesh, bottom gear driven gear drives output shaft rotation by twin-direction clutch, and top gear driving gear is driven by top gear driven gear and dallies on driving shaft; When driving shaft rotating speed raises and reaches setting value, helical spline moves near input axial screw outer spline section under being enclosed within the effect of Self-resetting centrifugal-block, helical spline cover screws on input axial screw outer spline section by helical spline cooperating structure, then make the helical spline end-engaging clutch structure of overlapping between top gear driving gear be formed to combine, thus realize input shaft drive top gear driving gear synchronous axial system.When the Hand of spiral of helical spline be arranged to driving shaft rotate forward time, helical spline cover screws with input axial screw outer spline section, and during driving shaft counterrotating, helical spline cover and input axial screw outer spline section exit the state of screwing and formed and relatively rotate.Therefore, when helical spline cover screws togather with the helical spline structure of input shaft, and after end-engaging clutch forms preliminary combination, no matter whether Self-resetting centrifugal-block is also formed with thrust to it, helical spline cover utilizes spinning behaviour automatically to make end-engaging clutch structure be formed and stings tight state.Disengagement can not be exited because the rotating speed of input shaft suitably reduces; Greatly can reduce or eliminate the threshold state time of clutch, thus effectively extend life of clutch, there is the beneficial effect reducing noise simultaneously.Wherein, the quantity of Self-resetting centrifugal-block is 2 ~ 5; Elastic element can be cylindroid helicalcoil compression spring, disc spring, or any one in the elastic sleeve be made up of elastomeric material etc.
Preferably, the L-shaped structure of described Self-resetting centrifugal-block, multiple Self-resetting centrifugal-block is by articulated manner circumference uniform distribution on input shaft, and the hinged axle center of Self-resetting centrifugal-block is positioned at L shape two-arm intersection, and the hinge axes of Self-resetting centrifugal-block is vertical and depart from input shaft axis.So that by the L shape vertical edge of Self-resetting centrifugal-block is parallel to input shaft, the horizontal edge of multiple Self-resetting centrifugal-block is arranged in mode in opposite directions, helical spline cover is connected by the horizontal edge of Self-resetting centrifugal-block, thus when input shaft rotates, the vertical edge of Self-resetting centrifugal-block is to extrinsic deflection, horizontal edge deflects forward and promotes the reach of helical spline cover, then the helical spline cover realized under setting sense of rotation and speed conditions engages with input shaft outer spiral spline, and the combination of end-engaging clutch structure.
Preferably, described input shaft is coaxially fixedly connected with input gear, described Self-resetting centrifugal-block is hinged on this input gear end face.Effectively to reduce number of spare parts, the workload that minimizing assembling and setting etc. are with high content of technology, reduces manufacture cost.
Preferred further, be connected with torsion spring between described Self-resetting centrifugal-block and described top gear driving gear.The Self-resetting effect of further reinforcement Self-resetting centrifugal-block.
Preferably, described Self-resetting centrifugal-block radially removable mode is connected with described input shaft, and the inner cone dish that Self-resetting centrifugal-block is arranged with by described helical spline overlaps with helical spline and is connected.With the conical surface effect by inner cone dish Self-resetting centrifugal-block moved radially and be converted to moving axially of helical spline cover, then the helical spline cover realized under setting sense of rotation and speed conditions engages with driving shaft outer spiral spline, and the combination of end-engaging clutch structure.
The beneficial effects of the utility model are, centrifugal clutch combines rapidly, and the threshold state time is short, and noise is little.The response of speed change gear speed change is fast, and the threshold state time is short.For battery-operated motor cycle, vehicle has rotating forward two-gear automatic speed changing, reversion exports and neutral position sliding function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the structural representation of the utility model embodiment 3.
Fig. 4 is the structural representation of the utility model embodiment 4.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but therefore the utility model is not limited among described scope of embodiments.
Embodiment 1 is see Fig. 1, a kind of centrifugal clutch, comprise driving shaft 1, driven disc 2 and 2 ~ 5 Self-resetting centrifugal-blocks 3, driven disc 2 is coaxially rotating to be sleeved on driving shaft 1, driving shaft 1 is formed with a polished rod section and a spiral outer spline section, driving shaft 1 overlaps 4 by the rotating helical spline that can coordinate with spiral external splines that is set with of polished rod section, this helical spline cover 4 is between described driven disc 2 and Self-resetting centrifugal-block 3, helical spline cover 4 and the clutch configuration being formed with end face between driven disc 2 and engaging, the reseting elastic element 5 that this clutch configuration is consisted of cylindroid helicalcoil compression spring forms normally open, Self-resetting centrifugal-block 3 moves for promoting helical spline cover 4 when driving shaft 1 reaches setting speed, after being engaged with the outer spiral spline section of driving shaft 1 by helical spline cooperating structure to make helical spline cover 4, form the combination of end-engaging clutch structure between helical spline cover 4 and driven disc 2.
Wherein, the L-shaped structure of Self-resetting centrifugal-block 3, multiple Self-resetting centrifugal-block 3 is by articulated manner circumference uniform distribution on driving shaft 1, and the hinged axle center of Self-resetting centrifugal-block 3 is positioned at L shape two-arm intersection, and the hinge axes of Self-resetting centrifugal-block 3 is vertical and depart from driving shaft 1 axis; Self-resetting centrifugal-block 3 is connected with described driving shaft 1 by hinged seat 6, and hinged seat 6 is formed on fixed tray 7, and this fixed tray 7 is fixedly connected on driving shaft 1 by spline fitted structure; Torsion spring 8 is connected with between Self-resetting centrifugal-block 3 and hinged seat 6.
Embodiment 2 is see Fig. 2, and described Self-resetting centrifugal-block 3 radially removable mode is connected with driving shaft 1, and Self-resetting centrifugal-block 3 overlaps 4 by the inner cone dish 19a that helical spline cover 4 is provided with helical spline and is connected.Wherein, the axle journal of fixed tray 7 is fixedly connected with 2 ~ 5 circumference uniform distributions and perpendicular to the guide rod 16 of driving shaft 1 axis, Self-resetting centrifugal-block 3 is only slidably sleeved on guide rod 16, is provided with Returnning spring 17 between the outer end face of Self-resetting centrifugal-block 3 and guide rod 16.
All the other structures of the present embodiment are identical with embodiment 1, do not repeat them here.
Embodiment 3 is see Fig. 3, a kind of speed change gear, comprise input shaft 9 and output shaft 10, input shaft 9 and output shaft 10 are respectively equipped with top gear gear mesh and the bottom gear gear mesh of corresponding normal engagement, the bottom gear driving gear 13 of described bottom gear gear mesh is coaxially fixedly connected on input shaft 9, the bottom gear driven gear 14 of bottom gear gear mesh is sleeved on output shaft 10 by double rolling key clutch, and this double rolling key clutch is used for bottom gear driven gear 14 and drives the synchronous forward and reverse rotation of output shaft 10; The top gear driving gear 11 of top gear gear mesh is rotating to be sleeved on input shaft 9, input shaft 9 is formed with a polished rod section and a spiral outer spline section, input shaft 9 overlaps 4 by the rotating helical spline that can coordinate with spiral external splines that is set with of polished rod section, this helical spline cover 4 is connected with 2 ~ 5 Self-resetting centrifugal-blocks 3, helical spline cover 4 and the clutch configuration being formed with end face between top gear driving gear 11 and engaging, the reseting elastic element 5 that this clutch configuration is consisted of cylindroid helicalcoil compression spring forms normally open; Self-resetting centrifugal-block 3 moves for promoting helical spline cover 4 when input shaft 9 reaches setting speed, after being engaged with the outer spiral spline section of input shaft 9 by helical spline cooperating structure to make helical spline cover 4, form the combination of end-engaging clutch structure between helical spline cover 4 and top gear driving gear 11; The top gear driven gear 12 of described top gear gear mesh is coaxially fixedly connected on described output shaft 10, output gear 22 on output shaft 10.
Wherein, the L-shaped structure of Self-resetting centrifugal-block 3, multiple Self-resetting centrifugal-block 3 is by articulated manner circumference uniform distribution on input shaft 9, and the hinged axle center of Self-resetting centrifugal-block 3 is positioned at L shape two-arm intersection, and the hinge axes of Self-resetting centrifugal-block 3 is vertical and depart from input shaft 9 axis; Input shaft 9 is coaxially fixedly connected with the input gear 15 for rotating power input, Self-resetting centrifugal-block 3 is hinged on this input gear 15 end face; Torsion spring 8 is connected with between Self-resetting centrifugal-block 3 and top gear driving gear 11.
Wherein, double rolling key clutch forms like this, and the axle journal of bottom gear driven gear 14 is combined with another long spire spline housing 18 by helical spline, and this long spire spline housing 18 is connected with one to apply surface friction drag braking device to it; Braking device comprises the C shape collar 19 with collar handle 19a, and this C shape collar 19 is clasped on described long spire spline housing 18 by the C clamp portion of holding, and collar handle 19a is used for stoping C shape collar 19 with long spire spline housing 18 synchronous axial system by gear box 20; The periphery wall of long spire spline housing 18 is provided with annular groove; The C shape ring portion of C shape collar 19 is connected on long spire spline housing 18 by annular groove; The collar handle 19a of C shape collar 19 takes the shape of the letter U, and U-shaped two free end of collar handle 19a is corresponding with C shape two free end of C shape collar 19 to be fixedly connected with; Speed change gear casing 20 is provided with for collar handle 19a required chute in axial sliding, trough width is greater than the U-shaped portion width of collar handle, with input gear 15 by rotate forward be converted to counterrotating time, driven member commutation formed necessarily delayed, reduce reversing impact; And trough width is designed to " 7 " character form structure (illustrating without relevant drawings), C shape collar 19 position when the horizontal segment of its " 7 " font and driven shaft rotate forward adapts to, the vertical section of " 7 " font is located at the position that when reversing from output shaft 10, C shape collar 19 can slide smoothly, horizontal segment when long spire spline housing 18 is in free state direction of advance slides in order to vehicle, stops C shape collar 19 to retreat and avoids causing the mate of the second end face meshing engagement structure mutually clash into and damage.Be formed with the first end face meshing engagement structure and the second end face meshing engagement structure between long spire spline housing 18 and output shaft 10, the first end face meshing engagement structure and the second end face meshing engagement structure are respectively used to long spire spline housing 18 and drive driven shaft 10 synchronously to rotate forward and synchronous reversion; First end face meshing engagement structure is formed in two of long spire spline housing 18 and top gear driven gear 12 in opposite directions between end face, and the first end face meshing engagement structure is made up of intermeshing unidirectional tooth; Second end face meshing engagement structure is normally open.Long spire spline housing 18 the other end is provided with multiple circumference uniform distribution and the connection pawl 18a that can be passed by the hollow out 14a that bottom gear driven gear 14 takes turns belly, and long spire spline housing 18 forms by this connection pawl 18a and the land 21 be fixedly connected on described output shaft 10 the described second end face meshing engagement structure that end-tooth engages; Be provided with cylindroid helicalcoil compression spring 23 between the wheel belly of long spire spline housing 18 and bottom gear driven gear 14, cylindroid helicalcoil compression spring 23 forms normally closed and normally open respectively for making the first end face meshing engagement structure and the second end face meshing engagement structure.
The response of this speed change gear speed change is fast, and the threshold state time is short.During for battery-operated motor cycle speed change, vehicle has rotating forward two-gear automatic speed changing, reversion exports and neutral position sliding function; Speed change response is fast.
Embodiment 4 is see Fig. 4, and described Self-resetting centrifugal-block 3 radially removable mode is connected with input shaft 9, and Self-resetting centrifugal-block 3 overlaps 4 by the inner cone dish 4a that described helical spline cover 4 is provided with helical spline and is connected.Wherein, the axle journal of input gear 15 is fixedly connected with the guide rod 16 of 2 ~ 5 circumference uniform distributions, Self-resetting centrifugal-block 3 is only slidably sleeved on guide rod 16, is provided with Returnning spring 17 between the outer end face of Self-resetting centrifugal-block 3 and guide rod 16.
All the other structures of the present embodiment are identical with embodiment 3, do not repeat them here.
Elastic element 5 in previous embodiment also can adopt disc spring or the elastic sleeve be made up of elastomeric material to form.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (10)
1. a centrifugal clutch, comprise driving shaft (1), driven disc (2) and multiple Self-resetting centrifugal-block (3), driven disc (2) is coaxially rotating to be sleeved on driving shaft (1), it is characterized in that, described driving shaft (1) is formed with a polished rod section and a spiral outer spline section, driving shaft (1) is set with the helical spline cover (4) that can coordinate with spiral external splines by polished rod section is rotating, this helical spline cover (4) is positioned between described driven disc (2) and Self-resetting centrifugal-block (3), the clutch configuration that end face engages is formed between helical spline cover (4) with driven disc (2), this clutch configuration forms normally open by reseting elastic element (5), described Self-resetting centrifugal-block (3) is mobile for promoting helical spline cover (4) when driving shaft (1) reaches setting speed, after being engaged with the outer spiral spline section of driving shaft (1) by helical spline cooperating structure to make helical spline cover (4), form the combination of end-engaging clutch structure between helical spline cover (4) and driven disc (2).
2. centrifugal clutch according to claim 1, it is characterized in that, the L-shaped structure of described Self-resetting centrifugal-block (3), multiple Self-resetting centrifugal-block (3) by articulated manner circumference uniform distribution on driving shaft (1), the hinged axle center of Self-resetting centrifugal-block (3) is positioned at L shape two-arm intersection, and the hinge axes of Self-resetting centrifugal-block (3) is vertical and depart from driving shaft (1) axis.
3. centrifugal clutch according to claim 2, it is characterized in that, described Self-resetting centrifugal-block (3) is connected with described driving shaft (1) by hinged seat (6), hinged seat (6) is formed on fixed tray (7), and this fixed tray (7) is fixedly connected on driving shaft (1).
4. according to the centrifugal clutch described in claim 3, it is characterized in that, between described Self-resetting centrifugal-block (3) and described hinged seat (6), be connected with torsion spring (8).
5. centrifugal clutch according to claim 1, it is characterized in that, described Self-resetting centrifugal-block (3) radially removable mode is connected with described driving shaft (1), and the inner cone dish (19a) that Self-resetting centrifugal-block (3) is provided with by described helical spline cover (4) is connected with helical spline cover (4).
6. a speed change gear, comprise input shaft (9) and output shaft (10), input shaft (9) and output shaft (10) are respectively equipped with top gear gear mesh and the bottom gear gear mesh of corresponding normal engagement, it is characterized in that, the bottom gear driving gear (13) of described bottom gear gear mesh is coaxially fixedly connected on input shaft (9), the bottom gear driven gear (14) of bottom gear gear mesh is sleeved on described output shaft (10) by double rolling key clutch, this double rolling key clutch is used for bottom gear driven gear (14) and drives output shaft (10) synchronous forward and reverse rotation, the top gear driving gear (11) of described top gear gear mesh is rotating to be sleeved on described input shaft (9), input shaft (9) is formed with a polished rod section and a spiral outer spline section, input shaft (9) is set with the helical spline cover (4) that can coordinate with spiral external splines by polished rod section is rotating, this helical spline cover (4) is connected with multiple Self-resetting centrifugal-block (3), the clutch configuration that end face engages is formed between helical spline cover (4) with top gear driving gear (11), this clutch configuration forms normally open by reseting elastic element (5), described Self-resetting centrifugal-block (3) is mobile for promoting helical spline cover (4) when input shaft (9) reaches setting speed, after being engaged with the outer spiral spline section of input shaft (9) by helical spline cooperating structure to make helical spline cover (4), form the combination of end-engaging clutch structure between helical spline cover (4) and top gear driving gear (11), the top gear driven gear (12) of described top gear gear mesh is coaxially fixedly connected on described output shaft (10).
7. speed change gear according to claim 6, it is characterized in that, the L-shaped structure of described Self-resetting centrifugal-block (3), multiple Self-resetting centrifugal-block (3) by articulated manner circumference uniform distribution on input shaft (9), the hinged axle center of Self-resetting centrifugal-block (3) is positioned at L shape two-arm intersection, and the hinge axes of Self-resetting centrifugal-block (3) is vertical and depart from input shaft (9) axis.
8. speed change gear according to claim 7, it is characterized in that, described input shaft (9) is coaxially fixedly connected with input gear (15), described Self-resetting centrifugal-block (3) is hinged on this input gear (15) end face.
9. speed change gear according to claim 8, is characterized in that, is connected with torsion spring (8) between described Self-resetting centrifugal-block (3) and described top gear driving gear (11).
10. speed change gear according to claim 6, it is characterized in that, described Self-resetting centrifugal-block (3) radially removable mode is connected with described input shaft (9), and the inner cone dish (4a) that Self-resetting centrifugal-block (3) is provided with by described helical spline cover (4) is connected with helical spline cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256073.7U CN204592081U (en) | 2015-04-24 | 2015-04-24 | Centrifugal clutch and speed change gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256073.7U CN204592081U (en) | 2015-04-24 | 2015-04-24 | Centrifugal clutch and speed change gear |
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| Publication Number | Publication Date |
|---|---|
| CN204592081U true CN204592081U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256073.7U Expired - Fee Related CN204592081U (en) | 2015-04-24 | 2015-04-24 | Centrifugal clutch and speed change gear |
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| CN (1) | CN204592081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037007A (en) * | 2021-02-22 | 2021-06-25 | 深圳市合涟聚电子科技有限责任公司 | Driving device for starting and generating power for automobile |
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2015
- 2015-04-24 CN CN201520256073.7U patent/CN204592081U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037007A (en) * | 2021-02-22 | 2021-06-25 | 深圳市合涟聚电子科技有限责任公司 | Driving device for starting and generating power for automobile |
| CN113037007B (en) * | 2021-02-22 | 2022-06-03 | 深圳市合涟聚电子科技有限责任公司 | Driving device for starting and generating power for automobile |
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