CN206513739U - A kind of centrifugal mechanism for fluid drive - Google Patents

Abstract

The utility model is related to a kind of centrifugal mechanism for fluid drive, including：Ratchet, ratchet fixed mount, several pallet pieces, at least one STATEMENT OF FEDERALLY SPONSORED and elastic component, the pallet piece include：First end, the second end and the first installation portion, ratchet portion is provided with the inwall of the pallet piece the second end, the STATEMENT OF FEDERALLY SPONSORED includes the 3rd end, 4th end and the second installation portion, the first end of the pallet piece and/or the 4th end of STATEMENT OF FEDERALLY SPONSORED are provided with balancing weight, the inner side of the 4th end of STATEMENT OF FEDERALLY SPONSORED is limited in along the first end of pallet piece described in radial direction, the second end of the pallet piece is limited in the inner side of the end of STATEMENT OF FEDERALLY SPONSORED the 3rd or the inner side of pallet piece first end is limited in along the 4th end of STATEMENT OF FEDERALLY SPONSORED described in radial direction, 3rd end of the STATEMENT OF FEDERALLY SPONSORED is limited in the inner side of the second end of pallet piece, ratchet spring force in centrifugal work progressively reduces, so as to improve the stability of centrifugal mechanism.

Description

A kind of centrifugal mechanism for fluid drive

【Technical field】

The utility model is related to bicycle art, more particularly to a kind of centrifugal mechanism for fluid drive.

【Background technology】

Bicycle speed-varying unit is divided into two kinds of internal speed changer and outer speed changer, outer speed changer be use open link chain mechanism for Transmission system, transforms to chain by stirring the selector being installed in front of bicycle and different chains is realized on different flywheels Bar gearratio, because outer speed changer is exposed outside, therefore is easier to get rusty, and is easily disturbed by external force, so through Often periodic maintenance is needed to maintain, internal speed changer mainly using planetary gears as transmission main body, is sealed in inside flower-drum, By multilayer special seal material protection, so rainwater, dust, grease etc. cannot be introduced into, therefore without time-based maintenance, realize and exempt from The advantage of maintenance.Internal speed changer is divided into manual internal speed changer and full-automatic internal speed changer, the existing full-automatic internal speed-changing of bicycle again Device controls the switch working state of ratchet generally by the centrifugal work of several centrifugal-blocks, and complicated, stability is poor.

Therefore, it is necessary to provide a kind of centrifugal mechanism for fluid drive for solving above-mentioned technical problem.

【Utility model content】

To solve the above problems, the purpose of this utility model, which is that offer is a kind of, improves being used for automatically for mechanical stability The centrifugal mechanism of gear shift.

To achieve the above object, the technical scheme that the utility model is taken is：A kind of centrifugal mechanism for fluid drive, Including：Ratchet, ratchet fixed mount, several pallet pieces, at least one STATEMENT OF FEDERALLY SPONSORED and the elasticity for controlling pallet piece initial position Part, described ratchet is arranged in ratchet fixed mount, and the pallet piece and STATEMENT OF FEDERALLY SPONSORED are arranged between ratchet and ratchet fixed mount And in a circumferential direction in being intervally arranged, the pallet piece is installed on ratchet fixed mount by the first connector, the linkage Part is installed on ratchet fixed mount by the second connector, the elastic component be mountable on ratchet fixed mount or on pallet piece or In STATEMENT OF FEDERALLY SPONSORED, the pallet piece includes：First end, the second end and be arranged between first end and the second end first Provided with the ratchet being engaged with ratchet at the inwall of the second end of at least one pallet piece in installation portion, several pallet pieces Portion, the first installation portion of the pallet piece is provided with the first mounting hole for being used for installing the first connector, and the STATEMENT OF FEDERALLY SPONSORED includes the Three ends, the 4th end and the second installation portion being arranged between the 3rd end and the 4th end, the second peace of the STATEMENT OF FEDERALLY SPONSORED Dress portion is provided with the second mounting hole for being used for installing the second connector, the first end of the pallet piece and/or the 4th of STATEMENT OF FEDERALLY SPONSORED the End is provided with balancing weight, and inner side, the institute of the 4th end of STATEMENT OF FEDERALLY SPONSORED are limited in along the first end of pallet piece described in radial direction The second end for stating pallet piece is limited in the inner side or the 4th end along STATEMENT OF FEDERALLY SPONSORED described in radial direction of the end of STATEMENT OF FEDERALLY SPONSORED the 3rd It is limited in the inner side that the inner side of pallet piece first end, the 3rd end of the STATEMENT OF FEDERALLY SPONSORED are limited in the second end of pallet piece.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The ratchet fixed mount bag Include：Several mounting seats that the inwall of circular base portion and certainly circular base portion extends internally, the STATEMENT OF FEDERALLY SPONSORED and pallet piece difference It is installed in mounting seat.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The end of STATEMENT OF FEDERALLY SPONSORED the 3rd Provided with the ratchet portion being engaged with ratchet at the inwall in portion.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The elastic component is torsion spring, The torsion spring includes circular mounting portion and the first torque arm and the second torque arm that are protruded out from circular mounting portion.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The first of the torsion spring is turned round The first end of power bar and adjacent one of pallet piece is abutted against, the second torque arm of the torsion spring and adjacent another Second end of pallet piece is abutted against, and the torsion spring applies outside from center of circle direction to above-mentioned first end and the second end respectively Elastic force for controlling pallet piece initial position, the circular mounting portion of the torsion spring is sheathed on the second connector or by Three connectors are installed on the ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The first of the torsion spring is turned round The first end of power bar and adjacent one of pallet piece is abutted against, the second torque arm of the torsion spring and adjacent another Second end of pallet piece is abutted against, and the torsion spring applies to above-mentioned first end and the second end respectively to be used for center of circle direction The elastic force of pallet piece initial position is controlled, the circular mounting portion of the torsion spring is sheathed on the second connector or by the 3rd company Fitting is installed on the ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The circular peace of the torsion spring Dress portion can be directly sleeved on the first connector or on the second connector, also can be installed on ratchet fixed mount by the 3rd connector On upper, pallet piece or STATEMENT OF FEDERALLY SPONSORED, the first torque arm and the second torque arm of the torsion spring are abutted against or simultaneously with pallet piece simultaneously Abutted against with STATEMENT OF FEDERALLY SPONSORED.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The first of the torsion spring is turned round The first end or the second end of power bar and pallet piece are abutted against, the second torque arm of the torsion spring and the 3rd end of STATEMENT OF FEDERALLY SPONSORED Or the 4th end abut against, be used to controlling the elastic force of pallet piece initial position to apply, the circular mounting portion of described torsion spring It is installed on ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED or on pallet piece.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The circular mounting portion set It is installed on the first connector or by the 3rd connector on ratchet fixed mount or on pallet piece, the first of the torsion spring turns round 3rd end of power bar and STATEMENT OF FEDERALLY SPONSORED is abutted against, and the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and described first Torque arm along radial direction to STATEMENT OF FEDERALLY SPONSORED the 3rd end from the center of circle outwards be used for control the elastic force of pallet piece initial position.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The circular mounting portion set It is installed on the second connector or by the 3rd connector on ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED, the first of the torsion spring turns round The second end of power bar and pallet piece is abutted against, and the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and described first Torque arm along radial direction to pallet piece the second end from the center of circle outwards be used for control the elastic force of pallet piece initial position.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：First connector and Second connector is pin.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The pallet piece and linkage The mating surface of part is set in involute shape.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The second of the pallet piece Cooperation between end and the 3rd end of STATEMENT OF FEDERALLY SPONSORED engages setting in tooth.

Preferably, a kind of above-mentioned centrifugal mechanism for fluid drive is further arranged to：The first of the pallet piece Cooperation between end and the 4th end of STATEMENT OF FEDERALLY SPONSORED engages setting in tooth

Compared with prior art, the utility model has the advantages that：Centrifugal mechanism in the utility model, not only Pallet piece can produce centrifugal force, and STATEMENT OF FEDERALLY SPONSORED can also produce centrifugal force, so as to substantially increase the centrifugal force of centrifugal mechanism so that whole The more miniaturization that individual centrifugal mechanism can be set, while the centrifugal mechanism of this kind of structure can set more centrifugal ratchet number Measure, and ratchet spring force in centrifugal work progressively reduces, centrifugation gear shift moment stability is good, so that whole centrifuge Stability is higher when structure works.

【Brief description of the drawings】

Fig. 1 is the cross section structure diagram of centrifugal mechanism in the utility model embodiment 1.

Fig. 2 is the decomposition texture schematic diagram of centrifugal mechanism in the utility model embodiment 1.

Fig. 3 is the structural representation of ratchet fixed mount in the utility model embodiment 1.

Fig. 4 is the cross section structure diagram of centrifugal mechanism in the utility model embodiment 2.

Fig. 5 is the cross section structure diagram of centrifugal mechanism in the utility model embodiment 3.

Fig. 6 is the cross section structure diagram of centrifugal mechanism in the utility model embodiment 4.

Fig. 7 is the cross section structure diagram of centrifugal mechanism in the utility model embodiment 5.

Fig. 1 is into Fig. 7：1st, ratchet, 10, ratchet, 2, ratchet fixed mount, 20, base portion, 21, mounting seat, 210, pin-and-hole, 22, Torsion spring, 220, circular mounting portion, the 221, first torque arm, the 222, second torque arm, 3, pallet piece, 30, first end, 300, 410th, balancing weight, 31, the second end, 310, ratchet portion, the 32, first installation portion, the 320, first mounting hole, 4, STATEMENT OF FEDERALLY SPONSORED, 40, Three ends, the 41, the 4th end, the 42, second installation portion, the 420, second mounting hole.

【Embodiment】

A kind of centrifugal mechanism for fluid drive described in the utility model is made into one below by specific embodiment The detailed description of step.

Embodiment 1

Join shown in Fig. 1 to Fig. 3, the utility model discloses a kind of centrifugal mechanism for fluid drive, mainly by ratchet 1st, ratchet fixed mount 2, three pallet pieces 3 and three parts of STATEMENT OF FEDERALLY SPONSORED more than 4 are constituted, wherein three pallet pieces 3 and three STATEMENT OF FEDERALLY SPONSOREDs 4 It is arranged between ratchet 1 and ratchet fixed mount 2, and is in be intervally arranged in a circumferential direction, i.e., between every two adjacent pallet piece 3 One STATEMENT OF FEDERALLY SPONSORED 4 is set.

The ratchet 1 is located in ratchet fixed mount 2, and the excircle of the ratchet 1 is provided with the ratchet 10 uniformly arranged.

The ratchet fixed mount 2 includes several peaces that circular base portion 20 and the inwall from circular base portion 20 extend internally Fill the pin-and-hole 210 offered in seat 21, the mounting seat 21 for mounting pin.

The pallet piece 3 include first end 30, the second end 31 and be arranged at first end 30 and the second end 31 it Between the first installation portion 32, the first installation portion 32 of the pallet piece 3 is provided with the first mounting hole 320 for mounting pin, and pin is worn The pin-and-hole 210 crossed on the first mounting hole 320 and ratchet fixed mount 2 is so that pallet piece 3 is installed on ratchet fixed mount 2.At this In embodiment, the ratchet portion 310 being engaged with ratchet 1 is equipped with the inwall of the second end 31 of three pallet pieces, certainly In other implementations, can also only one of which pallet piece the second end 31 inwall at provided with being engaged with ratchet 1 Ratchet portion 310 or only two pallet pieces the second end 31 inwall at provided with the ratchet portion that is engaged with ratchet 1 310, it can equally realize the utility model.

The STATEMENT OF FEDERALLY SPONSORED 4 include the 3rd end 40, the 4th end 41 and be arranged at the 3rd end 40 and the 4th end 41 it Between the second installation portion 42, the second installation portion 42 of the STATEMENT OF FEDERALLY SPONSORED 4 is provided with the second mounting hole 420 for mounting pin, and pin is worn Cross the pin-and-hole 210 of the second mounting hole 420 and ratchet fixed mount 2 STATEMENT OF FEDERALLY SPONSORED 4 is installed on ratchet fixed mount 2.Described Torsion spring 22 for controlling pallet piece initial position is installed, the torsion spring 22 includes circular pacify on the pin in two mounting holes 420 Dress portion 220 and the first torque arm 221 and the second torque arm 222 protruded out from circular mounting portion 220, the first torque arm is along radius side To the elastic force for being used to control the initial position of centrifugal ratchet part 3 that the second end 31 to pallet piece 3 is outside, the second torque arm is made For pallet piece fixed mount 2, certainly in other implementations, the circular mounting portion of the torsion spring can also be not mounted to On pin in two mounting holes 420, and on the pin being installed in the first mounting hole 320, the utility model can be equally realized, work as torsion When the circular mounting portion 220 of spring 22 is installed on the pin in the first mounting hole 320, the first torque arm 221 of torsion spring 22 is along radius The direction elastic force that is used to control centrifugal ratchet part 3 initial position outside to the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4, the of torsion spring 22 Two torque arms 222 are acted on pallet piece fixed mount 2, certainly in other implementations, certainly in other embodiments In, the circular mounting portion 220 on pallet piece fixed mount or on pallet piece or can also be linked by the 3rd connector On part, i.e., circular mounting portion 220 is except being mountable on the pin in hole 320 and hole 420, and it can also be for example, by pin etc Connector be installed at the other positions of ratchet fixed mount or pallet piece or STATEMENT OF FEDERALLY SPONSORED, can equally realize the utility model. So set and be advantageous in that：The first torque arm 221 that the second end 31 of pallet piece 3 is contacted in centrifugal work is effective The arm of force is elongated, and the elastic force of contact point diminishes, while the second end 31 to pallet piece 3 provides effective torque on the contact point Component also diminishes, comprehensive both sides factor, the elasticity for the first torque arm 221 that pallet piece 3 is contacted in centrifugal work Power can accordingly diminish, so that stability is higher during whole centrifugal mechanism work.At the inwall of the end 40 of STATEMENT OF FEDERALLY SPONSORED the 3rd Provided with the ratchet portion (not shown) matched with ratchet 1, so as to mitigate the burden of pallet piece 3.

In the present embodiment, the first end 30 of the pallet piece 3 and the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 are equipped with counterweight Block 300,410, certainly in other implementations, can also be set only on the first end 30 of pallet piece 3 balancing weight 300 or Person sets balancing weight 410 only on the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4, can also realize the utility model.Along spine described in radial direction The first end 30 of bluff piece 3 is limited in the inner side of the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4, i.e., for center of radius, pallet piece 3 First end 30 will be closer to center of radius for the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4.Along spine described in radial direction The second end 31 of bluff piece 3 is limited in the inner side of the 3rd end of STATEMENT OF FEDERALLY SPONSORED 4 40, i.e., described to state ratchet for center of radius The second end 31 of part 3 will be closer to center of radius for the end 40 of STATEMENT OF FEDERALLY SPONSORED 4 the 3rd.The pallet piece 3 and connection The mating surface of moving part 4 is set in involute shape, so as to make the swing angle of pallet piece 3 be kept with the swing angle of STATEMENT OF FEDERALLY SPONSORED 4 Unanimously.Cooperation between the second end 31 of the pallet piece 3 and the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 engages setting in tooth, so that Improve the precision of linkage.

The operation principle of centrifugal mechanism is in the utility model：With the lifting of the speed of ratchet fixed mount 2, ratchet is arranged at Balancing weight 300 on the first end 30 of part 3 and the balancing weight 410 being arranged on the end 41 of STATEMENT OF FEDERALLY SPONSORED 4 the 4th produce centrifugal force, the One end 30 is subject to centrifugal forces to be moved along away from the direction of center of radius so that the second end 31 of pallet piece 3 to Center of radius is moved, so that the ratchet portion 310 on pallet piece 3 is meshed with ratchet 1, realizes fluid drive.Pallet piece 3 with The linkage principle of STATEMENT OF FEDERALLY SPONSORED 4 is：The first end 30 of pallet piece 3 is transported by the effect of centrifugal force to the direction away from center of radius It is dynamic, because the first end 30 of pallet piece 3 is limited in the inner side of the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4, therefore drive connection in radial direction 4th end 41 of moving part 4 is moved to the direction away from center of radius together, passes through lever principle so that the 3rd of STATEMENT OF FEDERALLY SPONSORED 4 End 40 is moved to center of radius, and because the second end 31 of pallet piece 3 in radial direction is limited in the end of STATEMENT OF FEDERALLY SPONSORED 4 the 3rd 40 inner side, therefore drive the second end 31 of pallet piece 3 to be moved to center of radius, pass through lever principle so that pallet piece 3 First end 30 is moved along the direction away from center of radius, is moved in circles with this, as long as therefore a pallet piece or a linkage Part motion will drive pallet piece and STATEMENT OF FEDERALLY SPONSORED motion on whole circumference direction, substantially increase the speed of centrifugal mechanism gear shift And stability.

Embodiment 2

Join shown in Fig. 4, the structure of centrifugal mechanism is same as Example 1 in the present embodiment, and its difference is, in reality Apply in example 1, the inner side of the 4th end 41 is limited in along the first end 30 of pallet piece described in radial direction 3, along radial direction institute The second end 31 for stating pallet piece 3 is limited in the inner side of the 3rd end of STATEMENT OF FEDERALLY SPONSORED 4 40, and in the present embodiment, along radial direction institute The 4th end 41 for stating STATEMENT OF FEDERALLY SPONSORED is limited in the inner side of the first end 30 of pallet piece 3, along the end of STATEMENT OF FEDERALLY SPONSORED 4 described in radial direction the 3rd Portion 40 is limited in the inner side of the second end 31 of pallet piece 3.

The operation principle of centrifugal mechanism is in the present embodiment：The operation principle of centrifugal mechanism is in the present embodiment：With spine The lifting of the speed of pawl fixed mount 2, the balancing weight 300 being arranged on the first end 30 of pallet piece 3 and is arranged at the end of STATEMENT OF FEDERALLY SPONSORED 4 the 4th Balancing weight 410 in portion 41 produces centrifugal force, and the first end 30 of pallet piece 3 is subject to centrifugal forces can be along away from center of radius Direction motion, pass through lever principle so that the second end 31 of pallet piece 3 is moved to center of radius, so that pallet piece 3 On ratchet portion 310 be meshed with ratchet 1, realize fluid drive.Pallet piece 3 and the linkage principle of STATEMENT OF FEDERALLY SPONSORED 4 are：Pallet piece 3 First end 30 moved by the effect of centrifugal force to away from the direction of center of radius, pass through lever principle so that pallet piece 3 The second end 31 is moved to the direction of center of radius, due to being limited in pallet piece 3 along the 3rd end 40 of radial direction STATEMENT OF FEDERALLY SPONSORED 4 The inner side of the second end 31, therefore drive the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 to be moved together to the direction of center of radius, pass through lever Principle so that the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 is moved to the direction away from center of radius, and due to the end 41 of STATEMENT OF FEDERALLY SPONSORED 4 the 4th The inner side of the first end 30 of pallet piece 3 is limited in radial direction, therefore drives the first end 30 of pallet piece 3 to away from half The direction motion at footpath center, passes through lever principle so that the second end 31 of pallet piece 3 is moved to the direction of center of radius, with This moves in circles, as long as therefore a pallet piece or the motion of STATEMENT OF FEDERALLY SPONSORED will drive pallet piece on whole circumference direction and STATEMENT OF FEDERALLY SPONSORED is moved, and substantially increases the speed and stability of centrifugal mechanism gear shift.In summary, the centrifuge in the utility model Structure, not only pallet piece can produce centrifugal force, STATEMENT OF FEDERALLY SPONSORED can also produce centrifugal force, so as to substantially increase the centrifugation of centrifugal mechanism Power so that the more miniaturization that whole centrifugal mechanism can be set, while the centrifugal mechanism of this kind of structure can set more Centrifugal ratchet quantity, so that stability is higher during whole centrifugal mechanism work.

Embodiment 3

Shown in reference picture 5, remaining structural principle of the centrifugal mechanism in the present embodiment is same as Example 1, and it is different Part is：Centrifugal mechanism in embodiment 1, mainly by ratchet 1, ratchet fixed mount 2, three pallet pieces 3 and three STATEMENT OF FEDERALLY SPONSOREDs 4 Several parts are constituted, wherein three pallet pieces 3 and three STATEMENT OF FEDERALLY SPONSOREDs 4 are arranged between ratchet 1 and ratchet fixed mount 2, and in circumference In being intervally arranged on direction, i.e., a STATEMENT OF FEDERALLY SPONSORED 4 is set between every two adjacent pallet pieces 3.Centrifugal mechanism in the present embodiment, Mainly be made up of ratchet 1, ratchet fixed mount 2, torsion spring 22, two pallet pieces and a STATEMENT OF FEDERALLY SPONSORED 4, wherein two pallet piece 3 and One STATEMENT OF FEDERALLY SPONSORED 4, torsion spring 2 are arranged between ratchet 1 and ratchet fixed mount 2, and in a circumferential direction in being intervally arranged, i.e., in circle Torsion spring 22 and STATEMENT OF FEDERALLY SPONSORED 4 are respectively arranged between two pallet pieces in circumferential direction.The circular mounting portion of torsion spring 22 in the present embodiment 220 are installed on ratchet fixed mount 2 by pin, and the of the first torque arm 221 of torsion spring 22 and adjacent one of pallet piece One end 30 is abutted against, and the second end 31 of second torque arm 222 and another adjacent pallet piece is abutted against, and point Other first end 30 and the second end 31 to two adjacent pallet pieces 3 applies from the outside elastic force in center of circle direction, acts on Elastic torque on one end 30 is less than the elastic torque acted on the second end 31, and the second end 31 is made in initial position All the time in the position away from the center of circle, first end 30 in the position close to the center of circle, makes ratchet portion 310 and the spine of pallet piece 3 all the time Wheel 1 is in disengaged condition all the time.Certainly in other implementations, first end that can also respectively to two adjacent pallet pieces 3 Portion 30 and the second end 31 apply the elastic force to center of circle direction, the elastic torque acted on first end 30 is more than effect In the elastic torque of the second end 31, make the second end 31 all the time in the position away from the center of circle, first end in initial position 30 all the time in the position close to the center of circle, and the ratchet portion 310 and ratchet 1 for making pallet piece 3 are in disengaged condition all the time, equally can be real Existing the utility model.Certainly in other implementations, torsion spring 22 can also be arranged on the same side of STATEMENT OF FEDERALLY SPONSORED 4, torsion spring 22 Circular mounting portion 220 can be installed on the pin in the second mounting hole 420, spine can also be installed on by the 3rd connector On pawl fixed mount or in STATEMENT OF FEDERALLY SPONSORED, the utility model can be equally realized.So set and be advantageous in that:Turned round by control first The first end of the effective active length and pallet piece of power bar and the second torque arm and effective active length of the second end have Effect control spring force, while torsion spring instead of the function of STATEMENT OF FEDERALLY SPONSORED, and torsion spring is in the course of the work relative to torsion spring wherein The angle that one torque arm is compressed for being fixed on ratchet fixed mount is smaller, and change in torque is smaller, so that whole centrifugation Stability is higher when mechanism works.

The operation principle of centrifugal mechanism is in the present embodiment：Pallet piece operation principle is same as Example 1, its principle that links For：Balancing weight 300 on the first end 30 of pallet piece 3 is influenceed to move along the direction away from center of radius by centrifugal force, is led to The leverage of pallet piece 3 is crossed, therefore drives the second end 31 of pallet piece 3 to be moved to center of radius direction, due to STATEMENT OF FEDERALLY SPONSORED 4 3rd end 40 is limited in the inner side of the second end 31 of pallet piece 3, therefore drives the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 together to half The direction motion at footpath center, causes the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 to away from center of radius side by the leverage of STATEMENT OF FEDERALLY SPONSORED 4 To motion, because the end 41 of STATEMENT OF FEDERALLY SPONSORED 4 the 4th is limited in the inner side of the first end 30 of pallet piece 3, therefore the end of STATEMENT OF FEDERALLY SPONSORED 4 the 4th Portion 41 has to the first end 30 of pallet piece 3 from the outside thrust in the center of circle, plus the first end 30 of pallet piece 3 centrifugation of itself Power, the first end 30 of pallet piece 3 is moved to away from center of radius direction, by the leverage of pallet piece 3, pallet piece 3 The second end 31 is moved to the direction of center of radius, promotes the first torque arm 221 of torsion spring 22 to be moved to the direction of center of radius, Second torque arm 222 is moved to the direction away from center of radius.When ratchet fixed mount stops operating, the first torsion of torsion spring 22 Bar 221 applies the second end 31 of the second pallet piece 3 from the outside elastic force in the center of circle, drives the second end 31 of the second pallet piece 3 Moved to away from center of radius direction, drive STATEMENT OF FEDERALLY SPONSORED 4 and pallet piece 3 to return to initial position successively by leverage.

Embodiment 4

Shown in reference picture 6, remaining structural principle of the centrifugal mechanism in the present embodiment is same as Example 3, and it is different Part is：The circular mounting portion 220 of torsion spring 22 in embodiment 3 is installed on ratchet fixed mount 2 by pin, and the of torsion spring 22 The first end 30 of one torque arm 221 and adjacent one of pallet piece is abutted against, second torque arm 222 with it is adjacent The second end 31 of another pallet piece is abutted against, and the circular mounting portion 220 of the torsion spring 22 in the present embodiment is installed on second On pin in mounting hole 420, the first torque arm 221 of torsion spring 22 and the second torque arm 222 simultaneously with same pallet piece 3 the Two ends 31 are abutted, and the first torque arm 221 puts on the second end 31 of pallet piece 3 from the outside elastic force in the center of circle, the second torsion Bar 222 puts on the second end 31 of pallet piece 3 to the elastic force in center of circle direction, is more than from the outside elastic torque in the center of circle to the center of circle The elastic torque in direction, makes the second end 31 all the time in the position away from the center of circle, first end 30 exists all the time in initial position Position close to the center of circle, the ratchet portion 310 and ratchet 1 for making pallet piece 3 is in disengaged condition all the time.Certainly in other embodiment party In formula, the circular mounting portion 220 of torsion spring 22 can also be installed on the pin in the first mounting hole 320, and the first of torsion spring 22 turns round The torque arm 222 of power bar 221 and second abuts with same STATEMENT OF FEDERALLY SPONSORED simultaneously and applies the elasticity for controlling pallet piece initial position Power, can equally realize the utility model.Certainly in other implementations, the circular mounting portion 220 of torsion spring 22 can also It is arranged on by the 3rd connector on pallet piece fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, i.e. circular mounting portion 220 is except can Be installed on the pin in hole 320 and hole 420, it can also be installed on for example, by the connector of pin etc ratchet fixed mount or At the other positions of pallet piece or STATEMENT OF FEDERALLY SPONSORED, the utility model can be equally realized.So set and be advantageous in that:Pass through control First torque arm and the different effective active length of the second torque arm and the different installation sites in torsion spring circular mounting portion have Effect controls spring force, and one of torque arm of the torsion spring in the course of the work relative to torsion spring is fixed on ratchet fixed mount For the angle compressed it is smaller, change in torque is smaller, so that stability is higher during whole centrifugal mechanism work.

Remaining structural principle of centrifugal mechanism in the present embodiment is same as Example 3, and its difference is：Implement In example 3, the inner side of the second end 31 of pallet piece 3 is limited in along the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED described in radial direction 4, along radius side The inner side of the first end 30 of pallet piece 3, the pallet piece 3 and STATEMENT OF FEDERALLY SPONSORED 4 are limited in the 4th end 41 of the STATEMENT OF FEDERALLY SPONSORED 4 Mating surface is set in involute, and in the present embodiment, pallet piece 3 is limited in along the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED described in radial direction 4 The inner side of the second end 31, is limited in the first end 30 of pallet piece 3 along the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED described in radial direction 4 Side, the cooperation between the second end 31 of the pallet piece 3 and the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 engages setting in involute teeth, Cooperation between the first end 30 of the pallet piece 3 and the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 engages setting in involute teeth, so The benefit of setting is：Pallet piece 3 can also improve linkage essence in outer lateral spacing position STATEMENT OF FEDERALLY SPONSORED 4 in inner side limiting-position STATEMENT OF FEDERALLY SPONSORED 4 Degree, and in the case where torsion spring 22 does not play linkage, only one of which STATEMENT OF FEDERALLY SPONSORED 4 also can make pallet piece 3 mutual with STATEMENT OF FEDERALLY SPONSORED 4 Linkage.

Its link principle be：In initial position the second end 31 of pallet piece 3 torsion spring 22 elastic force effect under all the time In the position away from the center of circle, because the cooperation between the second end 31 of pallet piece 3 and the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 is engaged in tooth Set, thus the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 under the drive of the second end 31 of pallet piece 3 also away from the center of circle position, 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 is caused in the position close to the center of circle by the leverage of STATEMENT OF FEDERALLY SPONSORED 4, because of the first of pallet piece 3 Cooperation between end 30 and the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4 engages setting in tooth, so the first end 30 of pallet piece 3 is in connection Also in the position close to the center of circle under the drive of 4th end 41 of moving part 4.Improved with the rotating speed of ratchet fixed mount, pallet piece 3 First end 30 on balancing weight 300 influenceed to move along away from the direction of center of radius by centrifugal force, pass through pallet piece 3 Leverage, therefore drive the second end 31 of pallet piece 3 to be moved to center of radius direction, due to the end 40 of STATEMENT OF FEDERALLY SPONSORED 4 the 3rd The inner side of the second end 31 of pallet piece 3 is limited in, therefore drives the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 together to the side of center of radius To motion, the 4th end 41 for causing STATEMENT OF FEDERALLY SPONSORED 4 by the leverage of STATEMENT OF FEDERALLY SPONSORED 4 is moved to away from center of radius direction, by The inner side of the first end 30 of pallet piece 3 is limited in the end 41 of STATEMENT OF FEDERALLY SPONSORED 4 the 4th, therefore the end 41 of STATEMENT OF FEDERALLY SPONSORED 4 the 4th is to spine The first end 30 of bluff piece 3 has from the outside thrust in the center of circle, plus the first end 30 of pallet piece 3 centrifugal force of itself, pallet piece 3 First end 30 to moving away from center of radius direction, pass through the leverage of pallet piece 3, the second end 31 of pallet piece 3 Moved to the direction of center of radius, torsion spring 22 is moved with the second end 31 of pallet piece 3 to the direction of center of radius.Work as ratchet When fixed mount stops operating, torsion spring 22 applies the second end 31 of pallet piece 3 from the outside elastic force in the center of circle, drives pallet piece 3 The second end 31 is moved to away from center of radius direction, drives STATEMENT OF FEDERALLY SPONSORED 4 and pallet piece 3 to return to initially successively by leverage Position.

Embodiment 5

Shown in reference picture 7, remaining structural principle of the centrifugal mechanism in the present embodiment is same as Example 3, and it is different Part is：The circular mounting portion 220 of torsion spring 22 in embodiment 3 is installed on ratchet fixed mount 2 by pin, and the of torsion spring 22 The first end 30 of one torque arm 221 and adjacent one of pallet piece is abutted against, second torque arm 222 with it is adjacent The second end 31 of another pallet piece is abutted against, and the circular mounting portion 220 of the torsion spring 22 in the present embodiment is installed on second On pin in mounting hole 420, the second end 31 of the first torque arm 221 and pallet piece 3 of torsion spring 22 is abutted against, torsion spring 22 Second torque arm 222 and the 4th end 41 of adjacent STATEMENT OF FEDERALLY SPONSORED 4 are abutted against, and the second end 31 to pallet piece 3 and linkage 4th end 41 of part 4 applies from the outside elastic force in center of circle direction, acts on the upper elasticity moment of torsion of the second end 31 and is more than effect Elastic torque in the 4th end 41 of STATEMENT OF FEDERALLY SPONSORED 4, makes the second end 31 all the time in the position away from the center of circle in initial position, First end 30 is all the time in the position close to the center of circle, and the ratchet portion 310 and ratchet 1 for making pallet piece 3 are in disengaged condition all the time.When So in other implementations, the circular mounting portion 220 of torsion spring 22 is installed on the pin in the second mounting hole 420, torsion spring 22 the first torque arm 221 and the 3rd end 40 of STATEMENT OF FEDERALLY SPONSORED 4 are abutted against, the second torque arm 222 of torsion spring 22 and adjacent spine The first end 30 of bluff piece 3 is abutted against, and the 3rd end 40 of first end 30 to pallet piece 3 and STATEMENT OF FEDERALLY SPONSORED 4 applies from circle The outside elastic force in heart direction, can equally realize the utility model.Certainly in other implementations, the circle of torsion spring 22 Fixed on the pin that installation portion 220 can also be installed in the first mounting hole 320 or by the 3rd connector installed in pallet piece On frame or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, i.e. circular mounting portion 220 except being mountable on the pin in hole 320 and hole 420, it It can also be installed on for example, by the connector of pin etc at the other positions of ratchet fixed mount or pallet piece or STATEMENT OF FEDERALLY SPONSORED, equally The utility model can be realized.So set and be advantageous in that:By controlling the first torque arm and the second torque arm is different has Imitate active length or pallet piece first end and the different effective active length of the second end or the end of STATEMENT OF FEDERALLY SPONSORED the 3rd and the 4th The different effective active length in end and the different installation sites in torsion spring circular mounting portion effectively to control spring force, and turn round Relative to one of torque arm of torsion spring, to be fixed on the angle compressed on ratchet fixed mount smaller in the course of the work for spring, turns round Square change is smaller, so that stability is higher during whole centrifugal mechanism work.

In summary, the centrifugal mechanism in the utility model, not only pallet piece can produce centrifugal force, STATEMENT OF FEDERALLY SPONSORED can also be produced Centrifugal force, so as to substantially increase the centrifugal force of centrifugal mechanism so that the more miniaturization that whole centrifugal mechanism can be set, together When this kind of structure centrifugal mechanism more centrifugal ratchet quantity can be set so that stability during the work of whole centrifugal mechanism It is higher.

Principle and its effect that the above embodiments only illustrative the utility model is created, and the reality that part is used Example is applied, not for limitation the utility model；It should be pointed out that for the person of ordinary skill of the art, not departing from this On the premise of utility model creates design, various modifications and improvements can be made, these belong to protection of the present utility model Scope.

Claims (14)

1. a kind of centrifugal mechanism for fluid drive, it is characterised in that including：Ratchet, ratchet fixed mount, several pallet pieces, At least one STATEMENT OF FEDERALLY SPONSORED and the elastic component for controlling pallet piece initial position, described ratchet are arranged in ratchet fixed mount, The pallet piece and STATEMENT OF FEDERALLY SPONSORED are arranged between ratchet and ratchet fixed mount and are in be intervally arranged in a circumferential direction, the ratchet Part is installed on ratchet fixed mount by the first connector, and the STATEMENT OF FEDERALLY SPONSORED is installed on ratchet fixed mount by the second connector On, the elastic component is mountable on ratchet fixed mount or on pallet piece or in STATEMENT OF FEDERALLY SPONSORED, and the pallet piece includes：First end At least one in portion, the second end and the first installation portion being arranged between first end and the second end, several pallet pieces Provided with the ratchet portion being engaged with ratchet at the inwall of the second end of pallet piece, the first installation portion of the pallet piece is provided with use In the first mounting hole for installing the first connector, the STATEMENT OF FEDERALLY SPONSORED includes the 3rd end, the 4th end and is arranged at the 3rd end With the second installation portion between the 4th end, the second installation portion of the STATEMENT OF FEDERALLY SPONSORED, which is provided with, to be used to install the second of the second connector Mounting hole, the first end of the pallet piece and/or the 4th end of STATEMENT OF FEDERALLY SPONSORED are provided with balancing weight, along ratchet described in radial direction The first end of part is limited in the inner side of the 4th end of STATEMENT OF FEDERALLY SPONSORED, the second end of the pallet piece and is limited in STATEMENT OF FEDERALLY SPONSORED the 3rd The inner side of end is limited in the inner side of pallet piece first end, the linkage along the 4th end of STATEMENT OF FEDERALLY SPONSORED described in radial direction 3rd end of part is limited in the inner side of the second end of pallet piece.

2. a kind of centrifugal mechanism for fluid drive as claimed in claim 1, it is characterised in that：The ratchet fixed mount bag Include：Several mounting seats that the inwall of circular base portion and certainly circular base portion extends internally, the STATEMENT OF FEDERALLY SPONSORED and pallet piece difference It is installed in mounting seat.

3. a kind of centrifugal mechanism for fluid drive as claimed in claim 1, it is characterised in that：The end of STATEMENT OF FEDERALLY SPONSORED the 3rd Provided with the ratchet portion being engaged with ratchet at the inwall in portion.

4. a kind of centrifugal mechanism for fluid drive as claimed in claim 1, it is characterised in that：The elastic component is torsion Spring, the torsion spring includes circular mounting portion and the first torque arm and the second torque arm that are protruded out from circular mounting portion.

5. a kind of centrifugal mechanism for fluid drive as claimed in claim 4, it is characterised in that：The first of the torsion spring is turned round The first end of power bar and adjacent one of pallet piece is abutted against, the second torque arm of the torsion spring and adjacent another Second end of pallet piece is abutted against, and the torsion spring applies outside from center of circle direction to above-mentioned first end and the second end respectively Elastic force for controlling pallet piece initial position, the circular mounting portion of the torsion spring is sheathed on the second connector or by Three connectors are installed on the ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.

6. a kind of centrifugal mechanism for fluid drive as claimed in claim 4, it is characterised in that：The first of the torsion spring is turned round The first end of power bar and adjacent one of pallet piece is abutted against, the second torque arm of the torsion spring and adjacent another Second end of pallet piece is abutted against, and the torsion spring applies to above-mentioned first end and the second end respectively to be used for center of circle direction The elastic force of pallet piece initial position is controlled, the circular mounting portion of the torsion spring is sheathed on the second connector or by the 3rd company Fitting is installed on the ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED.

7. a kind of centrifugal mechanism for fluid drive as claimed in claim 4, it is characterised in that：The circular peace of the torsion spring Dress portion can be directly sleeved on the first connector or on the second connector, also can be installed on ratchet fixed mount by the 3rd connector On upper, pallet piece or STATEMENT OF FEDERALLY SPONSORED, the first torque arm and the second torque arm of the torsion spring are abutted against or simultaneously with pallet piece simultaneously Abutted against with STATEMENT OF FEDERALLY SPONSORED.

8. a kind of centrifugal mechanism for fluid drive as claimed in claim 4, it is characterised in that：The first of the torsion spring is turned round The first end or the second end of power bar and pallet piece are abutted against, the second torque arm of the torsion spring and the 3rd end of STATEMENT OF FEDERALLY SPONSORED Or the 4th end abut against, be used to controlling the elastic force of pallet piece initial position to apply, the circular mounting portion of described torsion spring It is installed on ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED or on pallet piece.

9. a kind of centrifugal mechanism for fluid drive as claimed in claim 4, it is characterised in that：The circular mounting portion set It is installed on the first connector or by the 3rd connector on ratchet fixed mount or on pallet piece, the first of the torsion spring turns round 3rd end of power bar and STATEMENT OF FEDERALLY SPONSORED is abutted against, and the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and described first Torque arm along radial direction to STATEMENT OF FEDERALLY SPONSORED the 3rd end from the center of circle outwards be used for control the elastic force of pallet piece initial position.

10. a kind of centrifugal mechanism for fluid drive as claimed in claim 4, it is characterised in that：The circular mounting portion It is sheathed on the second connector or is installed on by the 3rd connector on ratchet fixed mount or in STATEMENT OF FEDERALLY SPONSORED, the first of the torsion spring The second end of torque arm and pallet piece is abutted against, and the second torque arm and the ratchet fixed mount of the torsion spring are mutually fixed, and described One torque arm along radial direction to pallet piece the second end from the center of circle outwards be used for control the elasticity of pallet piece initial position Power.

11. the centrifugal mechanism of fluid drive as claimed in claim 1, it is characterised in that：First connector and the second company Fitting is pin.

12. a kind of centrifugal mechanism for fluid drive as claimed in claim 1, it is characterised in that：The pallet piece and connection The mating surface of moving part is set in involute shape.

13. a kind of centrifugal mechanism for fluid drive as claimed in claim 1, it is characterised in that：The of the pallet piece Cooperation between two ends and the 3rd end of STATEMENT OF FEDERALLY SPONSORED engages setting in tooth.

14. a kind of centrifugal mechanism for fluid drive as claimed in claim 1, it is characterised in that：The of the pallet piece Cooperation between one end and the 4th end of STATEMENT OF FEDERALLY SPONSORED engages setting in tooth.