CN1734116A - Torque limiter, and garbage dewatering apparatus using the same - Google Patents
Torque limiter, and garbage dewatering apparatus using the same Download PDFInfo
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- CN1734116A CN1734116A CN 200510087482 CN200510087482A CN1734116A CN 1734116 A CN1734116 A CN 1734116A CN 200510087482 CN200510087482 CN 200510087482 CN 200510087482 A CN200510087482 A CN 200510087482A CN 1734116 A CN1734116 A CN 1734116A
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- torque limiter
- torque
- foreign steamer
- helical spring
- fastening groove
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 18
- 238000001035 drying Methods 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 description 21
- 238000006297 dehydration reaction Methods 0.000 description 21
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000005755 formation reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 244000144983 clutch Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
In the torque limiter 1 having an inner ring member 2 and outer ring member 3, in which the inner ring member 2 and outer ring member 3 are interlocked with each other when input torque given to an input member formed by either of the inner ring member 2 and outer ring member 3 is below setting torque, a locking groove 4 is formed on either of the inner ring member 2 or outer ring member 3, and a coil spring 7 pushing a roller pin 6 locked in the locking groove 4 to the locking groove 4 is provided on either of the inner ring member 2 or outer ring member 3. When the input torque given to the roller pin 6 exceeds the setting torque, the roller pin 6 is dislocated from the locking groove 4 by elastically deforming the coil spring 7, and the inner ring member 2 and outer ring member 3 are set to be in a non-interlocking state. The present invention provides a torque limiter which can facilitate its control and use it for both directions and has a positioning function, and a garbage spin-drying device using the torque limiter.
Description
Technical field
The present invention relates to setting moment of torsion output same torque when following when input torque, and when input torque exceeds the setting moment of torsion the not torque limiter of output torque and the garbage dewatering apparatus that uses it.Say the garbage dewatering apparatus that the present invention relates to use the torque limiter of spring force and used it in further detail.
Background technique
As torque limiter, have a kind of structure as follows: input link is connected by frictional force with output link, simultaneously during the moment of torsion more than the frictional force that input link is applied regulation, and produces between the output link and slides and do not carry out interlock.As other examples of torque limiter, have a kind ofly between input link and output link, to accompany high-viscosity oil so that the structure of their interlocks.
And the another example as torque limiter also has the situation of utilizing mono-directional overrun clutch.For example, helical spring or needle bearing are turned round in setting in the twin shaft attachment portion, when a side axle during towards the rotation of a certain direction twin shaft do not carry out interlock, when rotating in the opposite direction, turned round helical spring or needle bearing and run into the opposing party's axle, thereby the mono-directional overrun clutch of twin shaft interlock is used as torque limiter.
But, state in the use in the torque limiter of the frictional force between the member, because of member phase mutual friction life-span weak point, and must safeguard continually, manage miscellaneous.In addition, use in the torque limiter of oil, the viscosity of oil is subjected to Temperature Influence easily, thereby can cause service condition to be restricted, or the setting of frictional force and manage miscellaneous.
And, use in the torque limiter of mono-directional overrun clutch, only the effect of torque limiter is played in rotation in one direction, and words like this can't be used as the double-direction twist moment limiter.For used as the double-direction twist moment limiter, have to use two mono-directional overrun clutchs or miscellaneous mechanism is set, cause device to maximize and the increase cost.
But any torque limiter is not all considered the location between input link and the output link, for to they location, has to be provided with in addition the block (Japanese: degree is as り) of location usefulness etc. beyond torque limiter.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of garbage dewatering apparatus of managing easily and can using, have the torque limiter of locating function and use it simultaneously two sense of rotation
In order to address the above problem, wheel and foreign steamer in torque limiter of the present invention comprises, when the input torque that applied by either party input link that constitutes in wheel or the foreign steamer in these is being set moment of torsion when following, wheel and foreign steamer interlock in described, and be passed to the output link that any the opposing party by wheel or foreign steamer in described constitutes, it is characterized in that, form fastening groove either party of described input link or output link, have the card that to engage with this fastening groove any the opposing party of described input link or output link and end the helical spring of member towards described fastening groove pushing, when the described input torque that puts on described input link surpasses described setting moment of torsion, described card ends that member makes described helical spring resiliently deformable and breaks away from from described fastening groove, wheel becomes non-interlock state with described foreign steamer in described, and described input torque is not passed to described output torque.
Among the present invention,, the transmission and the non-transmission of moment of torsion are switched, thereby compare with the occasion of using the frictional force between the member like that in the past and to be difficult for frayed influence by the helical spring application of force.And, compare with the occasion of the viscosity of using oil in the past and not to be subject to Temperature Influence.
And, although the component number is few, can be used as the double-direction twist moment limiter and use.And card plays the function of torque limiter when only member engages with fastening groove, thereby can have the function of internal wheel and foreign steamer location.
Among the present invention, preferably have a plurality of described fastening grooves, simultaneously any the opposing party of described input link or output link, have described card in the position corresponding and end a plurality of engagement portions that member engages with a plurality of described fastening grooves, when the described input torque that puts on described input link surpasses described setting moment of torsion, the a plurality of described card that engages with this engagement portion ends member respectively, make described helical spring resiliently deformable and break away from from described fastening groove, engage with the engagement portion simultaneously, with any the opposing party's interlock of described input link or output link.So constitute, can make a plurality of cards end member and engage with respect to a plurality of fastening grooves simultaneously and break away from.Therefore, the degrees of freedom of setting moment of torsion can be improved, and the stabilization of moment of torsion can be realized setting.
Among the present invention, preferably described in wheel and described foreign steamer with respect to center of rotation adjacent setting on concentric circle, when the described input torque that puts on described input link surpasses described setting moment of torsion, take turns rotate relative in described with described foreign steamer.A plurality of described fastening grooves for example set along either party circumferencial direction of described input link or described output link, and described card ends member after described relative rotation, the described fastening grooves engaging different with the described fastening groove before the described relative rotation.This occasion, described a plurality of cards are ended member and are preferably on the circumferencial direction and uniformly-spaced set.By such structure, can utilize a plurality of cards to end member with helical spring enlarged in addition evenly in a circumferential direction, transmitting torque is stable, can guarantee the precision of torque limiter.
Among the present invention, described card ends preferably roller pin (ロ one ラ ピ Application) of member.In general roller pin itself has rigidity, so constitutes, wheel and foreign steamer interlock in making reliably when input torque is following for the setting moment of torsion.And, when input torque surpass to set moment of torsion, when fastening groove is deviate from because it is cylindric that roller pin is formed, thereby can not hook the edge etc. of fastening groove, can successfully deviate from.Thereby can reduce the deviation of transmitting torque between the individuality.
Among the present invention, described helical spring preferably is made of a plurality of helical springs.So constitute, to arrange the amount of movement of measure-alike 1 continuous continuous helical spring of axial direction of the occasion that is provided with on axial direction identical with cutting apart helical spring to cut apart helical spring total amount of movement, but can reduce to cut apart helical spring amount of movement as 1.Therefore cut apart helical spring by making, compare, can prolong the helical spring life-span with continuous helical spring.
Among the present invention, described helical spring is wound on the outer wall of described foreign steamer, described fastening groove preferably is formed at the groove on the described interior outer wall of taking turns, described engagement portion is the through hole that the footpath of described foreign steamer upwards forms, described card ends member and moves towards radial outside by overcome the described helical spring application of force in described through hole, thereby breaks away from described engagement groove.
As mentioned above, adopt the torque limiter among the present invention, by the helical spring application of force, the transmission and the non-transmission of moment of torsion are switched, thereby compare the wearing and tearing that can reduce member, improve durability with the occasion of using the frictional force between the member like that in the past.And, compare with the occasion of the viscosity of using oil in the past and not to be subject to Temperature Influence, can enlarge spendable condition.
And, although the component number is few, can be used as the double-direction twist moment limiter and use.And card plays the function of torque limiter when only member engages with fastening groove, thereby can have the function of internal wheel and foreign steamer location.
The simple declaration of accompanying drawing
Transverse sectional view after the A-A line that is in the usefulness (B) under the positioning states that Fig. 1 (A), (B), (C) represent to have used the foreign steamer member of torque limiter of the present invention and interior wheel member respectively dissects, longitudinal sectional view after dissecing with the B-B line of (A), and foreign steamer member and the transverse sectional view of interior wheel member under idling conditions.
Fig. 2 is an exploded perspective view of having used each member of torque limiter of the present invention from the formation that oblique upper is seen.
Fig. 3 is the exploded perspective view that the garbage dewatering apparatus of torque limiter of the present invention has been used in expression.
Embodiment
Below, with reference to accompanying drawing best example of the present invention is described.
Transverse sectional view after the A-A line that is in the usefulness (B) under the positioning states that Fig. 1 (A), (B), (C) represent to have used the foreign steamer member of torque limiter of the present invention and interior wheel member respectively dissects, longitudinal sectional view after dissecing with the B-B line of (A), and foreign steamer member and the transverse sectional view of interior wheel member under idling conditions.Fig. 2 is an exploded perspective view of having used each member of torque limiter of the present invention from the formation that oblique upper is seen.
Fig. 1 and Fig. 2 represent the example of torque limiter 1 of the present invention.Wheel member 2 and foreign steamer member 3 in this torque limiter 1 has, set moment of torsion when following when the input torque that the input link that is made of in wheel member 2 or the foreign steamer member 3 in these either party is applied, be passed to the output link that any the opposing party by interior wheel member 2 and foreign steamer member 3 constitutes.This torque limiter 1 forms 6 fastening grooves 4 on interior wheel member 2, the roller pin 6 that will end member as the card that engages with this fastening groove is wound on the outer wall of foreign steamer member 3 towards the helical spring 7 of fastening groove 4 pushing usefulness.
In this form, 5,2 roller pins 6 in 2 engagement portions of formation constitute with fastening groove 4 and engagement portion 5 and engage on foreign steamer member 3.When the input torque that puts on input link surpass to be set moment of torsion, roller pin 6 made helical spring 7 resiliently deformables and moves and break away from from fastening groove 4 towards radial outside, and interior wheel member 2 becomes non-interlock state with foreign steamer member 3.In this form, on interior wheel member 2, formed fastening groove 4, but also can on foreign steamer member 3, form.This occasion has helical spring 7 and forms the engagement portion on interior wheel member 2.
Then, the example to above-mentioned torque limiter 1 action describes.
As shown in Figure 1,2 roller pins 6,6 engage with 2 fastening grooves 4,4, are setting moment of torsion when following when input torque, and the cylindrical portion 8 of interior wheel member 2 is connected by roller pin 6,6 with the chimeric surrounding wall portion 10 of foreign steamer member 3, the state of wheel member 2 and foreign steamer member 3 location in keeping, but interlock rotation.When applying big moment of torsion between internal wheel member 2 and the foreign steamer member 3, press 6,6 thrusters outwardly of 2 roller pins simultaneously at the edge of 2 fastening grooves 4,4, roller pin 6,6 is overcome helical spring 7 release from fastening groove 4,4.Its result, wheel member 2 dallies with the positioning states of foreign steamer member 3 in can't keeping.
Subsequently, when moment of torsion reduces, be and set moment of torsion when following, keep the state that enters by the application of force of helical spring 7 when roller pin 6 arrives fastening grooves 4, interlock rotates but interior wheel member 2 is positioned again with foreign steamer member 3.
Then, the example that above-mentioned torque limiter 1 is used for garbage dewatering apparatus is described.Fig. 3 is the exploded perspective view that the garbage dewatering apparatus of torque limiter of the present invention has been used in expression.
Garbage dewatering apparatus 13 is installed on the drain opening of bucket bottom of the tank platform of being located at the kitchen.This garbage dewatering apparatus 13 mainly comprises: towards drain opening opening and the host body that the round-ended cylinder shape is arranged 20 as the accommodation section that is mounted; Directly folding and unfolding is inner and accept the dehydration basket 19 that the round-ended cylinder shape is arranged of the moisture rubbish that falls from drain opening at this host body 20; Be provided with when dewatering cover dehydration basket 19, and the basket 19 that will dewater rotate the lid 16 as the manual rod 14 of drive unit of driving.
As shown in Figure 3, host body 20,90 degree are bent to lip part 91 to the opening side of sidewall 93 cylindraceous towards the outside.In addition, the opening side of sidewall 93 becomes large-diameter portion 97, and its periphery forms internal thread 92 with the form adjacent with lip part 91.And, form stepped part 98 in interior all sides, a plurality of from stepped part 98 towards axially extended protuberance 99 along interior week formation.This host body 20 is at the peripheral portion of drain opening, with lip part 91 and its upper face side butt, and from of sealing component 12 clampings of following side with ring-type, will be fastening with the nut 11 of outside thread 92 engagements, airtight feud is installed on the bucket bottom.On the other hand, at the bottom side of sidewall 93 cylindraceous, the side-prominent outwardly formation of adjutage portion 94 that waste pipe connects.
The dehydration basket 19 of accepting moisture rubbish from drain opening is housed in the inside of this host body 20 swimmingly, after the running shaft 85 chatted engage with the prominent axle support projection 95 of establishing of substantial middle from the bottom 96 of host body 20, and can horizontally rotate.
What dehydration basket 19 utilized that the punch metal plate forms top opening has a round-ended cylinder shape.Therefore, on whole of this sidewall 84 cylindraceous, be equipped with a large amount of circular dehydrating hole 81.The opening side of dehydration basket 19 is that 90 degree are bent to lip part 83 towards the outside upper end of sidewall 84, and the surface forms jog 82 thereon.The bottom center of dehydration basket 19 is inwards outstanding, is concaved with the above-mentioned rotation axis hole 85 towards the below opening, and axle support projection 95 engages.
Have the lid 16 of the covering dehydration basket of installing when dewatering 19 in drain opening, on lid 16, be equipped with: as the manual rod 14 of drive unit; The speed increasing gear train 21 that is connected with these manual rod 14 mechanism's formulas; Be connected with these speed increasing gear train 21 mechanism's formulas and rotatably with dehydration basket 19 rotating disks that are connected 18.
What lid 16 formed lower aperture has a round-ended cylinder shape, on this sidewall 56 cylindraceous, forms a plurality of from opening along periphery at axially extended recess 57.When dewatering, will cover 16 sidewall cylindraceous 56 when recess 57, then engage, and stop and cover 16 rotations towards circumferencial direction by protuberance 99 along the inserting in interior week of the large-diameter portion 97 of host body 20.
Be equipped with axle support projection 51 as upper support portion at the center of lid 16 upper face side, and the recess 52 that is arranged with ring-type is to surround this support projection 51, the part of the sidewall of its radial outside is dissectd and is become notch part 55, is connected with following side so that cover 16 upper face side.
In addition, pleurapophysis is provided with and axle support projection 51 coaxial axle support projection 53 as lower support portion below lid 16.And, dash forward near radial outside notch part 55 and axle support projection 53 almost parallels and establish a support projection 54.
Speed increasing gear train 21 is made of actuation gear 15 and torque limiter 1.Actuation gear 15 has formed the round-ended cylinder shape, is equipped with minor diameter jut 41 towards the top from the central authorities of upper base surface, and all side rotatably supports are in being darted on the axle support projection 51 of covering 16 upper face sides in it.And, form zigzag fashion at outer circumferential side.The opening side folding and unfolding that forms sidewall 43 cylindraceous is in recess 52, and 90 degree are crooked and become lip part 42 towards the outside in its lower end, form tooth portion on periphery, face notch part 55.
On the other hand, on the foreign steamer member 3 of torque limiter 1, form the tooth portion of meshing with the tooth portion of lip part 42 peripheries that are formed at actuation gear 15 at notch part 55, and form tooth portion with the tooth portion engagement of the periphery of the minor diameter projection 71 of the rotating disk 18 that is formed at following explanation in the periphery of the lip part 9 of interior wheel member 2, axle support projection 54 is inserted interior all sides of logical cylindrical portion 8, and torque limiter 1 is rotatably supported.In this form, foreign steamer member 3 becomes input link.
Rotating disk 18 is by minor diameter projection 71, constitute towards the lip part 72 that radially extends from this minor diameter 71, under the state of tooth portion that the periphery of minor diameter jut 71 forms and the tooth portion engagement of the periphery of the lip part 9 that is formed at torque limiter 1, axle support projection 53 is inserted interior all sides of minor diameter projection 71, the side is fixing by Screw 76 by packing ring 75 from it, with can be supported around the state of axle support projection 53 rotations.
The lip part 72 of rotating disk 18, its week end become roughly 45 and spend the inclination peripheral portion 73 that square neck is oblique up, the jog 74 that engages from the following jog 82 that faces down square one-tenth dehydration basket 19 of this inclination peripheral portion 73.Therefore, during dehydration, the rotation of rotating disk 18 is passed to dehydration basket 19 by jog 74 and jog 82.When jog 82 engages with jog 74, even protuberance collides each other, also can allow the rotation of rotating disk 18 by torque limiter 1, so jog 74 moves to the position that can engage with jog 82, both can successfully engage.
The effect of this form
As mentioned above, in the torque limiter of the present invention 1 of this form, the application of force by helical spring 7 is switched the transmission and the non-transmission of moment of torsion, thereby compares the wearing and tearing that can reduce member with the occasion of using the frictional force between the member like that in the past, improves durability.And, compare with the occasion of the viscosity of using oil in the past and not to be subject to Temperature Influence, can enlarge spendable condition.And, although the component number is few, can be used as the double-direction twist moment limiter and use.And roller pin 6 plays the function of torque limiter when engaging with fastening groove 4, thereby can have the function of internal wheel member 2 and foreign steamer member 3 location.
In this form, on interior wheel member 2, form 6 fastening grooves 4, on foreign steamer member 3, form 2 engagement portions 5, engage 2 roller pins 6 respectively with engagement portion 5, side shifting outwardly when the input torque that puts on foreign steamer member 3 surpass to be set moment of torsion, make helical spring 7 resiliently deformables and break away from from fastening groove 4, engage with engagement portion 5 simultaneously and with foreign steamer member 3 interlocks.So 2 roller pins 6 can engage with respect to 2 fastening grooves 4 and break away from simultaneously.Therefore, compare, can improve the degrees of freedom of setting moment of torsion, and can realize setting the stabilization of moment of torsion with the occasion of 1 roller pin 6.
In this form, cylindrical portion (interior wheel) 8 and chimeric surrounding wall portion (foreign steamer) 10 are with respect to center of rotation adjacent setting on concentric circle, when the input torque that puts on foreign steamer member 3 surpasses the setting moment of torsion, the inwall of the outer wall of cylindrical portion 8 and chimeric surrounding wall portion 10 slides, interior wheel member 2 and the 3 relative rotations of foreign steamer member.Especially, 6 fastening grooves 4 set along the circumferencial direction of interior wheel member 2, and roller pin 6 is relatively after the rotation, with adjacent fastening groove 4 engagings of fastening groove 4 before the relative rotation.2 roller pins 6 are because uniformly-spaced set in a circumferential direction, thus by 2 roller pins 6 with helical spring 7 enlarged in addition evenly in a circumferential direction, transmitting torque is stablized, and can guarantee the precision of torque limiter 1.
In general roller pin 6 has rigidity, so constitutes, wheel member 2 and foreign steamer member 3 interlocks in making reliably when input torque is following for the setting moment of torsion.And, surpass to set moment of torsion when input torque, roller pin 6 can not hook the edge of fastening groove 4 etc., can successfully deviate from, thereby can reduce deviation between the individuality.
In the garbage dewatering apparatus 13 of this form, in the speed increasing gear train 21 that will pass to dehydration basket 19 from the output of manual rod 14, the torque limiter 1 that is equipped with helical spring 7 and constitutes by foreign steamer member 3 and interior wheel member 2, even so manual rod 14 because of the inertial force of dehydration basket 19 rotate among contact handle 35, or in the rotating locus of manual rod 14 the careless feeder of putting into, the rotation that the inertial force of dehydration basket 19 causes also can be cut off by torque limiter 1, so problem can not take place.In addition, dehydration basket 19 although the rotation of manual rod 14 is passed to 6 times of degree by speed increasing gear train 21 by speedup, as the dehydration action, need make manual rod 14 with 100rpm rotation about 20 seconds.During this time, when the rotational speed decline of manual rod 3, then become the break of the dehydration basket 19 that is being rotated because of inertial force.In this form,, also can pass through torque limiter 1, can not become the break of the dehydration basket 19 that is being rotated because of inertial force even the rotational speed of manual rod 14 descends.And, there is not big load effect for speed increasing gear train 21, so but the gear slimming of formation speed increasing gear train 21 yet.
Used the torque limiter 1 that lacked than wore and tore in the past, so can prolong the life-span and the service intervals of garbage dewatering apparatus 13.And, used than being difficult for the torque limiter 1 of temperature influence in the past, thereby obtained the garbage dewatering apparatus 13 that can under big range of condition, use.
(other examples)
Above-mentioned example is a preferable embodiment of the present invention, but is not limited thereto, and can carry out various distortion and implement in the scope that does not break away from aim of the present invention.For example, in the above-mentioned form, fastening groove 4, engagement portion 5 and helical spring 7 set gradually from the inboard and 7 pairs of roller pins 6 of helical spring application of force inwards, but be not limited thereto, fastening groove 4, engagement portion 5 and helical spring 7 also can set gradually from the outside and 7 pairs of roller pins 6 of helical spring towards the outside application of force.
In addition, in the above-mentioned form, have 4,2 engagement portions 5 of 6 fastening grooves and roller pin 6, but be not limited thereto.
And, in the above-mentioned form, roller pin 6 ended as card member uses, but be not limited to roller pin 6.For example, also spherical card ends member.
And in the above-mentioned example, the projection plane of helical spring 7 is circular, but is not limited thereto, and also the projection plane is ellipse and polygonal.That is,, just can make the material of helical spring 7, the coiling number of turn of helical spring 7 etc. under identical situation, easily change the setting moment of torsion of torque limiter 1 by doing ovalisation.For example, the projection plane that makes helical spring 7 when oval, by in the long diameter side of helical spring 7 to roller pin 6 application of force inwards, 2 roller pins 6,6 break away from from fastening groove 4,4 easily, and can make and difficultly engage with fastening groove 4,4.And the short diameter side by helical spring 7 is to roller pin 6 application of force inwards, and 2 roller pins 6,6 are difficult for breaking away from from fastening groove 4,4, and can make easily and engage with fastening groove 4,4.
Constitute helical spring 7 wire itself cross section also but any of circular section or angular cross section.In general by making angular cross section, helical spring 7 is stood stress, thereby can obtain the setting moment of torsion identical with the helical spring 7 of circular section with few number of turn, realizes compactness.
And, in the above-mentioned form, when the input torque that puts on foreign steamer member 3 surpassed the setting moment of torsion, the inwall of the outer wall of cylindrical portion 8 and chimeric surrounding wall portion 10 slided, interior wheel member 2 and the 3 relative rotations of foreign steamer member, but not necessarily leave no choice but make the outer wall of cylindrical portion 8 and the inwall of chimeric surrounding wall portion 10 to slide.That is, under the situation of the dimensional accuracy of the inwall of the outer wall that can't guarantee cylindrical portion 8 and chimeric surrounding wall portion 10, slided in other positions.
And, in this form, the wire that constitutes helical spring 78 circles of reeling continuously, but the coiling number of turn of lid helical spring 7 is not limited to 8 circles.That is, also from 1 circle to ten multiturn, even tens of circle.In addition, the wire that constitutes helical spring 7 does not need continuous reeling, for example, 8 circles of reeling the time, also the wire of 2 circles of reeling can be arranged 4 formations on axial direction.With this cut apart cut apart helical spring and on axial direction, arrange the time, measure-alike with the axial direction of the continuous continuous helical spring of reeling of 8 linkage, it is identical with the amount of movement of continuous helical spring that helical spring total amount of movement is cut apart in 4 of events, but 1 helical spring amount of movement is respectively 1/4, so can reduce as 1 helical spring amount of movement.Therefore cut apart helical spring by making, compare the life-span that can prolong helical spring 7 with continuous helical spring.
Claims (10)
1. torque limiter, wheel and foreign steamer in comprising, when the input torque that applied by either party input link that constitutes in wheel or the foreign steamer in these is being set moment of torsion when following, wheel and foreign steamer interlock in described, and be passed to the output link that any the opposing party by wheel or foreign steamer in described constitutes, it is characterized in that, form fastening groove either party of described input link or output link, have the card that to engage with this fastening groove any the opposing party of described input link or output link and end the helical spring of member towards described fastening groove pushing, when the described input torque that puts on described input link surpasses described setting moment of torsion, described card ends that member makes described helical spring resiliently deformable and breaks away from from described fastening groove, wheel becomes non-interlock state with described foreign steamer in described, and described input torque is not passed to described output torque.
2. torque limiter as claimed in claim 1, it is characterized in that, have a plurality of described fastening grooves, any the opposing party of described input link of while or output link, have described card in the position corresponding and end a plurality of engagement portions that member engages with a plurality of described fastening grooves, when the described input torque that puts on described input link surpasses described setting moment of torsion, the a plurality of described card that engages with this engagement portion ends member respectively, make described helical spring resiliently deformable and break away from from described fastening groove, engage with the engagement portion simultaneously, with any the opposing party's interlock of described input link or output link.
3. torque limiter as claimed in claim 1 or 2, it is characterized in that, wheel and described foreign steamer be with respect to center of rotation adjacent setting on concentric circle in described, when the described input torque that puts on described input link surpasses described setting moment of torsion, takes turns rotate relative with described foreign steamer in described.
4. torque limiter as claimed in claim 3, it is characterized in that, a plurality of described fastening grooves set along either party circumferencial direction of described input link or described output link, described card ends member after described relative rotation, the described fastening groove engaging different with the described fastening groove before the described relative rotation.
5. as claim 3 or 4 described torque limiters, it is characterized in that described a plurality of cards end member and uniformly-spaced set at circumferencial direction.
6. as each described torque limiter in the claim 1 to 5, it is characterized in that it is roller pin that described card ends member.
7. as each described torque limiter in the claim 1 to 6, it is characterized in that described helical spring is made of a plurality of helical springs.
8. as each described torque limiter in the claim 1 to 7, it is characterized in that described helical spring is wound on the outer wall of described foreign steamer.
9. torque limiter as claimed in claim 8, it is characterized in that, described fastening groove is the groove that is formed on the described interior outer wall of taking turns, described engagement portion is the through hole that is formed at described outer wheel radial, described card ends member and moves towards radial outside by overcome the described helical spring application of force in described through hole, thereby breaks away from described engagement groove.
10. a garbage dewatering apparatus is characterized in that, uses each described torque limiter in the claim 1 to 9.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004211240 | 2004-07-20 | ||
| JP2004211240 | 2004-07-20 | ||
| JP2005195093 | 2005-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1734116A true CN1734116A (en) | 2006-02-15 |
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ID=36076672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510087482 Pending CN1734116A (en) | 2004-07-20 | 2005-07-20 | Torque limiter, and garbage dewatering apparatus using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1734116A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883836A (en) * | 2010-05-06 | 2013-01-16 | 斯奈克玛 | Device for injection-moulding a part |
| CN113520287A (en) * | 2021-07-21 | 2021-10-22 | 郭超凡 | Intelligent cleaning system for hard endoscope in gastroenterology department |
-
2005
- 2005-07-20 CN CN 200510087482 patent/CN1734116A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883836A (en) * | 2010-05-06 | 2013-01-16 | 斯奈克玛 | Device for injection-moulding a part |
| CN102883836B (en) * | 2010-05-06 | 2015-07-08 | 斯奈克玛 | Device for injection-moulding a part |
| CN113520287A (en) * | 2021-07-21 | 2021-10-22 | 郭超凡 | Intelligent cleaning system for hard endoscope in gastroenterology department |
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