CN201450400U - Rim motor with torque force detection - Google Patents

Abstract

The utility model relates to a torque force measuring device, in particular to a rim motor with torque force detection. The rim motor comprises a fixing device, a moving device, a power motor and an elastic assembly, wherein the fixing device is assembled on a vehicle, and is provided with a sensor, the moving device is sleeved on the fixing device, and is connected with wheels through a wheel hull, one side of the wheel hull is provided with a connected mold train for receiving external force, and the other side thereof is provided with a plurality of driven rotary grid trays of first detected regions, the connected mold train is provided with driving rotary grid trays which are overlaid with the driven rotary grid trays, a plurality of second detected regions are arranged on the driving rotary grid trays, the power motor is sleeved on the fixing device, and is held in the wheel hull for driving the moving device to rotate, and the two ends of the elastic assembly receive forces exerted by the wheel hull of the moving device and the connected mold train. The rim motor can detect changes among the detected regions, can provide corresponding auxiliary power by starting the motor according to the torque force, and realizes the effect of easy control without time difference.

Description

The rim motor of tool torsion detecting

Technical field

The utility model relates to the torsion measurement mechanism, specifically a kind of rim motor of tool torsion detecting.

Background technology

Electric bicycle is one of traffic means of transport that rather is in fashion at present, particularly generally plants deeply under the environment trend of the popular feeling in the idea of environmental protection, carbon reduction, and electric bicycle quite has and replaces the main flow that bicycle becomes following light-duty walking-replacing tool gradually; Yet, in electric bicycle structure, topmost power resources are the accessory drives power source such as electro-motor, therefore, must be apt to add the running of controlling this accessory drives power source, can make electric bicycle in the process of running and mobility operation, reach the effect of people's car one, increase the electric power energy consume on foot and increase the safety problem that personnel drive operation otherwise have only.

Yet, in general traditional electric bicycle structure, simple accessory drives power source mode of operation then is that this electronic accessory drives power source (as rim motor) is installed in bicycle front-wheel or trailing wheel, by the control device of opening (on) or the electronic accessory drives power source of pass (off) conduct startup that is installed in the motor switch on the operating handle, point pressure by the rider and start this accessory drives power source by operation, drop into flat-out auxiliary power via this accessory drives power source, therefore, the power output of this auxiliary power source and without suitable control and adjustment very easily causes meaningless power wastage; For instance, for example: when electric bicycle starts, the bigger torsion of the essential input of this accessory drives power source, so that auxiliary electric bicycle running, or when being that descending or flat road surface are travelled, this accessory drives power source must cut off fully not to be provided auxiliary power or drops into less auxiliary power.

In addition, the above-mentioned auxiliary power of electric bicycle outputting torsion control of often knowing, because this input control signal is simple opening, close kenel, and the torsion of input auxiliary power also is maximum, and the actual pedal that can't look this electric bicycle is automatically trampled state and rotating speed adjusts and auxiliary, except very easily causing the waste of meaningless electric power and manpower, in the process that this electric bicycle travels, the situation that also very easily produces auxiliary power moment input or cut off takes place, as starting and parking, change too fast because this accessory drives power comes from the torsion of moment input, make this electric bicycle produce the state that rocks or shake shakiness, and can't make this electric bicycle produce the effect of people's car one.

Therefore, just there is manufacturer to develop the torsion arrangement for detecting at this problem, as shown in figure 10, it is to be provided with pedestal B in rim motor shell A, and pedestal B central authorities are provided with the axis hole B1 that is provided with for bearing B11, and be extended with four interruption-like pushing and pressing seat B2 in the pedestal B outside, between four pushing and pressing seat B2, be respectively equipped with holder C again, and four pushing and pressing seat B2, holder C is provided with first in sides adjacent, two magnet assembly B21, C1, and be equiped with elastic parts D in homonymy, when it uses, for utilizing the stressed rotation of pedestal B, make each pushing and pressing seat B2 compress elastic parts D and produce strain, thus, the magnet assembly B21 on each pushing and pressing seat B2 just can change the position, detects by magnetic sensor and obtains a plurality of first, two magnet assembly B21, the position of C1, just can obtain torque magnitude according to position calculation, restarting motor provides corresponding power.

Yet present torsion arrangement for detecting still exists disappearance to remain to be improved, as:

1. this pedestal B and holder C are the thickness that has greater than elastic parts D, make that not only volume increases, weight increases, more because of using more material to make manufacturing cost comparatively expensive.

2. these four pushing and pressing seats B2, holder C are provided with first and second magnet assembly B21, C1 in sides adjacent, when bicycle starts, just need the first application of force to step on more than pedal rotation 1/4 circle, magnetic sensor just can detect torque magnitude and starter, if need with a plurality of detecting torque values average after starter, need step on earlier the pedal rotation especially reaches more than 1/2 circle, so just, can be created in when needing most the motor auxiliary power, can't in time assist the disappearance of the application of force, and, cause detecting torsion accurately because of the distance of first and second magnet assembly B21, C1 is big at interval.

Above-mentioned torsion arrangement for detecting commonly used, because of having problems and disappearance, this is the utility model people and the target place of being engaged in this journey improvement that the dealer desires most ardently.

The utility model content

In order to solve the problem of above-mentioned existence, the purpose of this utility model is to provide a kind of rim motor of tool torsion detecting, in be equiped with the torsion arrangement for detecting, utilize torsion arrangement for detecting detecting user application of force size, allow power motor that corresponding power is provided, and then reach the purpose of auxiliary user's application of force.

The purpose of this utility model is achieved through the following technical solutions:

The utility model comprises motionless device, be subjected to external force drive wheel movable device, power motor and with the elastic parts of movable device interlock, wherein:

Described motionless device is installed on the vehicle, is provided with transducer on motionless device;

Described movable device is sheathed on the motionless device, links to each other with wheel by hub, one side of hub is provided with the interlock module of accepting external force, opposite side is provided with the driven turn grid dish of a plurality of first detection zones of tool, the interlock module is provided with the active turn grid dish of repeatedly putting mutually with driven turn grid dish, is provided with a plurality of second detection zones on active turn grid dish;

Described power motor is sheathed on the motionless device and is placed in the hub of movable device, drives movable device and rotates;

The two ends of described elastic parts are subjected to the hub and the interlock module application of force of movable device, the interlock module drives active turn grid dish by elastic parts and relatively rotates according to the external force size, and initiatively the change in location of a plurality of first detection zones provides corresponding power to drive wheel through sensor detecting by power motor on a plurality of second detection zones on the turn grid dish and the driven turn grid dish.

Described movable device comprises hub and cap, one side of hub is provided with the cap that supports for the elasticity assembly, the interlock module comprises chain pulley seat and interlock dish, the chain pulley seat that drives transmission for the user is arranged on the cap, and chain pulley seat is provided with its rotation synchronously and compresses elastic parts and form affixed interlock dish with active turn grid dish or driven turn grid dish; The central authorities of cap are extended with protruding axle vertically, are arranged with the chain pulley seat sealed with sprocket wheel on the protruding axle, and protruding axle and the inwall of chain pulley seat are located vertically to be provided with and be corresponding guide vane end stop and stopper slot; Protruding axle on the cap is the corresponding serial verb construction of corresponding toothed, strip or screw-shaped with the socket place of chain pulley seat; Described interlock dish is socketed on the protruding axle of cap; Be equipped with more than one hollow slots on the cap, be equipped with on the interlock dish can penetrate more than one hollow slots, with the connecting axle of the active turn grid dish Joint of cap opposite side, cap and interlock dish are held in the two ends of elastic parts respectively; Elastic parts is filled in the hollow slots, and the outside that connecting axle is positioned at the part of hollow slots is arranged with sleeve; Described movable device comprises hub and cap, one side of hub is provided with the cap that supports for the elasticity assembly, the interlock module comprises driven rotating disk and interlock dish, one side of interlock dish is corresponding with a side of cap and be extended with and pass cap for sprocket wheel affixed connecting portion, initiatively turn grid dish is fixed in the opposite side of interlock dish, and sprocket wheel is positioned at the opposite side of cap; The interlock dish is provided with the pushing and pressing part in outer rim, outer rim in the pushing and pressing part is extended with the width pressure section narrow than the pushing and pressing part, one side of described cap is installed with and can supplies the affixed driven rotating disk of driven turn grid dish, the central authorities of driven rotating disk are provided with the storage tank of inserting for the interlock dish, the storage tank inwall outwards is provided with the stepped arrival slot that revolves that carries out turn after inserting for pushing and pressing part and pressure section, respectively revolves to be provided with the elastic parts that compresses for the pressure section turn in the arrival slot; The outer rim of connecting portion and cap inwall are located vertically to be provided with and are corresponding guide vane end stop and stopper slot; Described driven turn grid dish is provided with a plurality of hole slots, and initiatively turn grid dish is provided with a plurality of slotted eyes, and driven turn grid dish and active turn grid dish are for being corresponding tooth palisade or slotted eye shape; Described driven turn grid dish is provided with first magnet assembly of a plurality of intervals shape, and initiatively turn grid dish is provided with and corresponding a plurality of second magnet assemblies of a plurality of first magnet assemblies; Described driven turn grid dish is provided with a plurality of hole slots, is provided with first magnet assembly in each hole slot, and initiatively turn grid dish is provided with a plurality of slotted eyes, is provided with in each slotted eye and corresponding second magnet assembly of first magnet assembly; Described active turn grid dish or driven turn grid dish and cap are structure as a whole; Described elastic parts is spring, shell fragment, backrush formula spring or excellent power glue; Described motionless device comprises central shaft, train of reduction gears and kinetoplast not, and kinetoplast is not installed on the central shaft, and train of reduction gears is installed in not on the kinetoplast, be not provided with groove on the kinetoplast, and transducer is to be provided with the circuit board that can be placed in the groove; Described motionless device comprises central shaft and fixed mount, is installed with the fixed mount for the transducer location on the central shaft; Be concaved with in the central shaft and run through groove, transducer is connected with by running through groove and wears signal line to the outside.

Advantage of the present utility model and good effect are:

During the actual use of the utility model,, be specially for having following advantage:

1. the interlock dish of the utility model movable device or hub can be with user's application of force sizes, rotation compresses elastic parts and produces distortion, drive simultaneously driven turn grid dish or initiatively turn grid dish do relative displacement, one group of above transducer can detect the variation that produces between the two first and second detection zone, and start power motor according to size of data corresponding auxiliary power is provided, reach the no time difference and promoted the effect of manipulation ease.

2. movable device is for utilizing the moving initiatively turn grid dish of interlock dribbling or driving driven turn grid dish by hub, and initiatively turn grid dish and driven turn grid dish are for establishing closeer a plurality of hole slots, slotted eye or a plurality of first and second magnet assembly respectively, make when active turn grid dish or driven turn grid dish one rotate, a plurality of transducers just can in time detect torsion, power motor can be when the user need apply big power, in time and do not have the startup power motor of time difference power is provided.

3. when movable device is subjected to user's application of force, can be according to the driven turn grid of a plurality of sensor detectings dish and the displacement interval of active turn grid dish or the application of force size of magnetic field change gained, amplify the effect that signal reaches meticulous detecting by control system (control system of the present utility model is a prior art), just can start the power that power motor provides corresponding percentage, allow the user under different situations, all can be subjected to the power motor auxiliary power, and then the ease in the lifting manipulation, more can allow the speed of vehicle (stop auxiliary power during as descending for the user is required just the opposite, when slowing down, reduces level road auxiliary power etc.), to avoid vehicle to produce the uncontrolled situation of speed, just can provide the fail safe in the use.

4. movable device can utilize that cap is one-body molded driven turn grid dish, and can be provided with the groove of inserting for sensor circuit board in the not kinetoplast fovea superior of train of reduction gears, and volume, the weight that just can reduce rim motor really.

5. the fixed mount that is provided with in the utility model rim motor also can be put, set firmly for the circuit board of transducer, the structure design of visual this power motor, storing position, do not have the design or do not have suitable not kinetoplast and utilize of slowing down as power motor, then can directly fixed mount be arranged on any appropriate location of motionless device.

Description of drawings

Fig. 1 is the side cutaway view of the utility model embodiment 1;

Fig. 2 is the front view of the utility model embodiment 1;

Fig. 3 is the side cutaway view of the utility model embodiment 2;

Fig. 4 is the explosive view of the utility model embodiment 3;

Fig. 5 is the explosive view of the utility model embodiment 4;

Fig. 6 is the front view of the utility model embodiment 4;

Sectional axonometric drawing when Fig. 7 is the utility model embodiment 4 uses;

Fig. 8 is applied to the stereo appearance figure of bicycle for the utility model;

Fig. 9 is applied to the stereo appearance figure of wheelchair for the utility model;

Figure 10 is the stereo appearance figure of rim motor commonly used;

Wherein: 1 is motionless device, and 11 is central shaft, and 111 for running through groove, and 12 is train of reduction gears, and 121 are kinetoplast not, and 1211 is groove, and 13 is transducer, and 131 is circuit board, and 132 is signal line, and 14 is fixed mount;

2 is movable device, and 20 is accommodation space, and 21 is hub, 211 is cap, and 2111 is hollow slots, and 2112 is protruding axle, 2113 is guide vane end stop, and 22 is the interlock module, and 221 is chain pulley seat, 2211 is stopper slot, and 222 is the interlock dish, and 2221 is connecting portion, 2222 is the pushing and pressing part, and 2223 is pressure section, and 223 is connecting axle, 224 is sleeve, and 23 is driven turn grid dish, and 231 is first to be subjected to detection region, 2311 is hole slot, and 2312 is first magnet assembly, and 24 is active turn grid dishes, 241 is second to be subjected to detection region, and 2411 is slotted eye, and 2412 is second magnet assembly, 25 is driven rotating disk, 251 is storage tank, and 252 for revolving arrival slot, and 26 is sprocket wheel;

3 is power motor, and 4 is elastic parts, and 5 is vehicle, and 51 is wheel, and 6 is rim motor;

A is the rim motor shell, and B is a pedestal, and B1 is an axis hole, and B11 is a bearing, and B2 is the pushing and pressing seat, and B21 is a magnet assembly, and C is a holder, and C1 is a magnet assembly, and D is an elastic parts.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment 1

As shown in Figure 1 and Figure 2, the utility model comprises motionless device 1, is subjected to external force to drive the movable device 2 of wheel, the power motor 3 that drive movable device 2 rotates and the elastic parts 4 that is subjected to movable device 2 interlocks, wherein:

This motionless device 1 is installed on the vehicle 5, motionless device 1 runs through groove 111 for being concaved with in central shaft 11, and be provided with train of reduction gears 12 in central shaft 11, train of reduction gears 12 (train of reduction gears of the present utility model is a prior art) is a planetary gearsets, comprises sun gear, ring tooth and a plurality of planetary gear.

Be formed with accommodation space 20 between this movable device 2 and the motionless device 1, and movable device 2 is for being provided with the hub 21 that cover is overlying on motionless device 1 outside and connects wheel 51, one side of hub 21 is provided with the cap 211 that supports for elasticity assembly 4, and be equipped with more than one hollow slots 2111 on the cap 211, the central authorities of this cap 211 are extended with protruding axle vertically, the outer rim of protruding axle 2112 is provided with guide vane end stop 2113 vertically, cap 211 1 sides are provided with interlock module 22, interlock module 22 comprises chain pulley seat 221 and interlock dish 222, be arranged with sprocket wheel 26 sealed on the protruding axle 2112, drive the chain pulley seat 221 of chain drive for user's application of force, the inwall of chain pulley seat 221 has stopper slot 2211, guide vane end stop 2113 on the protruding axle 2112 is placed in the stopper slot 2211, protruding axle 2112 on the cap 211 can be corresponding toothed with chain pulley seat 221 in the adjacent of socket, corresponding serial verb construction such as strip or shape of threads. sprocket wheel 26 is provided with the interlock dish 222 that rotates synchronously with it, interlock dish 222 is bowl-shape, be socketed on the protruding axle 2112 of cap 211, with chain pulley seat 221 be one, sprocket wheel 26 is locked on the chain pulley seat 221, and interlock dish 222 promptly rotates synchronously with sprocket wheel 26; Be equipped with the connecting axle 223 that can penetrate hollow slots 2111 more than on the chain Moving plate 222, and can be arranged with sleeve 224. hubs 21 are provided with a plurality of first detection zones 231 of tool in accommodation space 20 1 sides driven turn grid dish 23 in the outside that connecting axle 223 is positioned at the part of hollow slots 2111, the opposite side of cap 211 is provided with repeatedly to be put with driven turn grid dish 23 and mutually by the affixed active turn grid dish 24 of connecting axle 223 and interlock dish 222, and be provided with a plurality of second detection zones 241 that correspond to a plurality of hole slot 2311 sides in active turn grid dish 24, and first detection zone 231 and second detection zone 241 can be respectively equipped with hole slot 2311, slotted eye 2411 makes the driven turn grid dish 23 of a plurality of first detection zones 231 of tool and the active turn grid dish 24 of a plurality of second detection zones 241 of tool be corresponding tooth palisade or slotted eye shape; In addition, guide vane end stop 2113 on the protruding axle 2112 of cap 211 and the slip spacing between the stopper slot 2211 on the chain pulley seat 221, can be less than the spacing spacing of the connecting axle on the interlock dish 222 223 in hollow slots 2111, to reduce the life-span of the stressed of connecting axle 223 and then increase product.

This power motor 3 is for being installed on the motionless device 1 in the accommodation space 20, and power motor 3 can be brush, brushless, ultrasonic waves, at a high speed, middling speed, low speed, tooth is arranged, anodontia, patterns such as vertical carbon brush or parallel carbon brush, power motor 3 (power motor of the present utility model is a prior art) is the outward rotation type motor, the motor shell of its rotation is connected on the central shaft 11 by bearing holder (housing, cover), be socketed with on the motor shell can rotation sun gear, the a plurality of planetary gears that are centered around on the sun gear circumference are installed on the central shaft 11 by kinetoplast 121 not respectively, can rotation, be provided with hub 21 interlocks in each planetary periphery, can be around the ring tooth of central shaft 11 revolution; Power motor 3 work, motor shell drives sun gear and rotates, and then each planetary gear of drive and sun gear engagement rotates, again by of the engagement of each planetary gear with the ring tooth, hub 21 is rotated, and cap 211 is affixed by screw and hub 21, and hub 21 can drive cap 211 co-rotation.

Elastic parts 4 is filled in the hollow slots 2111, and cap 211 and interlock dish 222 are held in the two ends of elastic parts 4 respectively, and the two ends of this elastic parts 4 are subjected to the hub 21 and interlock dish 222 application of forces of movable device 2; Elastic parts 4 can be rubber-like assemblies such as spring, shell fragment, backrush formula spring or excellent power glue.

Kinetoplast 121 is not provided with groove 1211, and transducer 13 is for being provided with the circuit board 131 that can be placed in the groove 1211, and transducer 13 is connected with circuit board 131 and runs through groove 111 and wear signal line 132 to the outside.

Operation principle of the present utility model is:

As Fig. 1, Fig. 2, shown in Figure 7, when user's application of force drives chain pulley seat 221 rotations of chain drive, can make interlock dish 222 synchronous shift, interlock dish 222 just can compress the elastic parts 4 that is placed in the hollow slots 2111 and make its strain, allow active turn grid dish 24 also carry out synchronous shift by driving connecting axle 223 again, this connecting axle 223 just can carry out displacement in hollow slots 2111, allow a plurality of second detection zones 241 of active turn grid dish 24 and first detection zone 231 of driven turn grid dish 23 produce overlapping and to form variation, and be moved to by hollow slots 2,111 one sides in each connecting axle 223 and push opposite side or the application of force when allowing elastic parts 4 continue strain, hub 21 and cap 211 just can be subjected to chain pulley seat 221 and drive the generation rotation with interlock dish 222, transducer 13 then can be detected the variation size of first detection zone 231 and second detection zone 241, and the transmission signal produces the power of corresponding size by power motor 3, drive sun gear by motor shell, drive planetary gear and planetary gear drive ring tooth by sun gear again, roll to drive movable device 2 and wheel 51, make the user more laborsaving.

This interlock dish 222 can be according to the various multi-form elastic parts 4 of set one or more between torque magnitude compression needs and the cap 211, just can utilize interlock dish 222 to drive initiatively turn grid dish 24 synchronous shift, first detection zone 231 and second detection zone 241 can be respectively equipped with hole slot 2311, slotted eye 2411, because driven turn grid dish 23 is to be staggered under reset condition and is seamless or tool micro gap with active turn grid dish 24, spacing then can occur when interlock dish 222 drives initiatively grid dish 24 displacements changes, at this moment, the transducer 13 more than a group just can detect the spacing size of driven turn grid dish 23 and active turn grid dish 24.

Embodiment 2

As shown in Figure 3, the difference of present embodiment and embodiment 1 is to be installed with fixed mount 14 on the central shaft 11 of motionless device 1, and transducer 13 is installed on the fixed mount 14, so, makes the integral thickness attenuation of rim motor 6.The driven turn grid dish 23 of present embodiment and embodiment 1 removes and can be locked in cap 211, also can be by cap 211 one-body molded making; Moreover, driven turn grid dish 23 position that mutual exchange is repeatedly put with active turn grid dish 24 also viewable design needs, therefore, initiatively turn grid dish 24 also can be locked in cap 211 or one-body molded made by cap 211, make driven turn grid dish 23 not need other manufacturing, assembling, not only can allow the integral thickness thinning, more can save step, the time of manufacturing cost and assembling.

Embodiment 3

As Fig. 4, Fig. 6, shown in Figure 7, the motionless device 1 of present embodiment is identical with embodiment 1, movable device 2 comprises hub 21 and cap 211, one side of hub 21 is provided with the cap 211 that supports for elasticity assembly 4, interlock module 22 comprises driven rotating disk 25 and interlock dish 222, one side of interlock dish 222 is relative with a side of cap 211 and be extended with and pass cap 211 for the affixed connecting portion 2221 of sprocket wheel 26, initiatively turn grid dish 24 is fixed in the opposite side of interlock dish 222, and sprocket wheel 26 is positioned at the opposite side of cap 211; The outer rim of described connecting portion 2221 is provided with guide vane end stop 2113 vertically, and cap 211 inwalls have stopper slot 2211, and the guide vane end stop 2113 on the connecting portion 2221 is placed in the stopper slot 2211.Interlock dish 222 is provided with a plurality of pushing and pressing parts 2222 in outer rim, and 2222 outer rim is extended with the width pressure section 2223 narrow than the pushing and pressing part in the pushing and pressing part; Cap 211 and interlock dish 222 relative sides are installed with the driven rotating disk 25 that can be fixed in relative opposite side for driven turn grid dish 23, the central authorities of driven rotating disk 25 are provided with the storage tank 251 of inserting for interlock dish 222, and be provided with the stepped a plurality of arrival slots 252 that revolve that carry out turn after inserting for pushing and pressing part 2222 and pressure section 2223 outwardly in storage tank 251 inwalls, in respectively revolving arrival slot 252, be provided with the elastic parts 4 that compresses for pressure section 2223 turns again.

When sprocket wheel 26 is subjected to user's application of force, sprocket wheel 26 will drive 222 turns of interlock dish, interlock dish 222 just can be according to set elastic parts 4 between torque magnitude compression and the driven rotating disk 25, can be owing to only have between the pushing and pressing part 2222 of interlock dish 222 and the driven rotating disk 25 for the less spacing that moves, just can utilize interlock dish 222 to drive initiatively turn grid dish 24 synchronous shift, allow driven turn grid dish 23 with after 24 displacements of turn grid dish spacing appears initiatively, more because of 222 turns of interlock dish after the spacing between itself and the driven rotating disk 25, just can push against cap 211 and make its displacement together, just can make active turn grid dish 24 only in a preset distance intrinsic displacement, at this moment, the transducer 13 more than a group just can detect the spacing size of driven turn grid dish 23 and active turn grid dish 24.

The distance computation that detects driven turn grid dish 23 and active turn grid dish 24 by transducer 13 obtains torque magnitude (as 100%, 75%, 50%, 25%, 0% etc.), again signal is reached power motor 3, just can allow power motor 3 do the power output of estimated rate, so just, can be when the user exerts oneself pedal, it is comparatively light to provide big power to allow the user trample with power motor 3, and the user is during with less power pedal, 3 of power motors can provide smaller power, not only can allow the user trample easily, more can allow the speed of bicycle be unlikely to promote too fast, and then the effect accurately controlled of the speed that reaches.

In addition, this driven turn grid dish 23 can be provided with a plurality of first and second detection zones 231,241 with active turn grid dish 24, when the 24 beginning turns of active turn grid dish, because of the distance between a plurality of first detection zones 231 and a plurality of second detection zone 241 becomes near, transducer 13 just can sense user's the power of trampling at once, and in user starting or run into moment of climbing, in time start power motor 3 power is provided, allow the user when needing most the application of force and trampling, easily the application of force can reach same effect.

In addition, this motionless device 1 can be equiped with two groups of above transducers 13, when making initiatively turn grid dish 24 rotations, can utilize two groups of above transducers 13 to carry out sensing, judge the direction of rotation that obtains sprocket wheel 26 according to the order of detection signal again, make sprocket wheel 26 stressed during towards reverse rotation, but power motor 3 stop supplies power, to avoid the user not want when advancing, continue to move ahead and cause danger; Transducer 13 also can be by driven turn grid dish 26 during with turn grid dish 24 turns initiatively, the spacing that is produced between the two is the characteristic of turn thereupon also, calculate rotating speed, speed, electric current, voltage output, input to drop into more humane calculating more accurately more can be used as the speed limit purposes.

Embodiment 4

As shown in Figure 5, the motionless device 1 of present embodiment is identical with embodiment 2, elastic parts 4 removes and can be installed between cap 211 and the interlock dish 222, and be held in cap 211 and interlock dish 222 respectively or be held in cap 211 and sprocket wheel 26 and chain pulley seat 221 respectively with elastic parts 4 two ends, also can insert the made elastic parts 4 of excellent power glue in cap 211 more than one hollow slots 2111, and rim motor 6 can be installed more than one elastic parts 4, when only having 222 turns of interlock dish, this elastic parts 4 can support for it, allow the application of force be converted into corresponding displacement, make driven turn grid dish 23 and active turn grid dish 24 can produce the displacement interval of relative scale, the function of detecting for transducer 13 gets final product, and first detection zone 231 of driven turn grid dish 23 and active turn grid dish 24 and second detection zone 241 are except that hole slot 2311 can be set respectively, outside the slotted eye 2411, first detection zone 231 and second detection zone 241 also can directly be provided with a plurality of first interruption-like magnet assemblies 2312, second magnet assembly 2412, or in hole slot 2311 and slotted eye 2411, install first magnet assembly 2312 respectively, second magnet assembly 2412, only tool is by first, two magnet assemblies 2312, relative displacement produces spacing between 2412, allow magnetic field occur changing, for the size of transducer 13 detecting changes of magnetic field, calculate the function that converts torque magnitude to again and get final product.

As Fig. 8, shown in Figure 9, rim motor 6 of the present utility model can be installed on bicycle, wheelchair or other vehicle with the rotation of electric power subband driving wheel, movable device 2 can extend outwardly in hub 21 outer rims and connect wheel 51, bicycle is that profit tramps with one's feet and forces in sprocket wheel 26, allow sprocket wheel 26 drive interlock dishes 222 promote cap 211 and carry out turn, wheel 51 can be rolled thereupon with hub 21.When rim motor 6 is installed in wheelchair, the user drives its wheel that sets firmly 51 with the hand propelled hand rail cycle, wheel 51 then drives the hub 21 and cap 211 synchronous shift of movable device 2, allow the driven turn grid dish 23 that is fixedly arranged on cap 211 or driven rotating disk 25 produce turn, transducer 13 just can be detected the driven turn grid dish 23 and the displacement interval of initiatively turn grid dish 24 generations, and power motor 3 can provide corresponding power according to the result of transducer 13 detectings, allow the user only need apply less strength, just can promote wheelchair moves, and the wheel about wheelchair 51 can be connected with rim motor 6 respectively, when user right-hand man applies different power, each rim motor 6 just can provide different dynamic to allow wheelchair reach to advance, the effect of turning left or turning right, right above-mentioned structure, device is except that being used in the wheelchair, also can be applicable on the electronic single block, the two all learns the thrust size by torsion sensing, and carry out different application with this, above-mentioned bicycle, wheelchair, single block is a prior art, repeats no more.

Above-mentioned equivalence changes, and is non-so promptly limit to scope of patent protection of the present utility model, as utilizes other modification and equivalent structure to change, and all should in like manner be contained in the claim of the present utility model, closes and gives Chen Ming.

Claims (16)

1. the rim motor of tool torsion detecting is characterized in that: comprise motionless device (1), be subjected to external force drive wheel movable device (2), power motor (3) and with the elastic parts (4) of movable device (2) interlock, wherein:

Described motionless device (1) is installed on the vehicle (5), is provided with transducer (13) on motionless device (1);

Described movable device (2) is sheathed on motionless device (1) and goes up, links to each other with wheel (51) by hub (21), one side of hub (21) is provided with the interlock module (22) of accepting external force, opposite side is provided with the driven turn grid dish (23) that tool a plurality of first is detectd (231), interlock module (22) is provided with the active turn grid dishes of repeatedly putting mutually with driven turn grid dish (23) (24), is provided with a plurality of second detection zones (241) on active turn grid dishes (24);

Described power motor (3) is sheathed on motionless device (1) and goes up and be placed in the hub (21) of movable device (2), drives movable device (2) and rotates;

The two ends of described elastic parts (4) are subjected to the hub (21) and interlock module (22) application of force of movable device (2), interlock module (22) drives initiatively by elastic parts (4) that turn grid dishes (24) relatively rotate according to the external force size, and initiatively a plurality of second on the turn grid dishes (24) are detectd the change in location that (241) and driven turn grid dish (23) go up a plurality of first detection zones (231) and provided corresponding power drive wheel (51) rotation through transducer (13) detecting by power motor (3).

2. press the rim motor of the described tool torsion detecting of claim 1, it is characterized in that: described movable device (2) comprises hub (21) and cap (211), one side of hub (21) is provided with the cap (211) that supports for elasticity assembly (4), interlock module (22) comprises chain pulley seat (221) and interlock dish (222), the chain pulley seat (221) that drives transmission for the user is arranged on the cap (211), and chain pulley seat (221) is provided with its rotation synchronously and compresses elastic parts (4), and form affixed interlock dish (222) with active turn grid dishes (24) or driven turn grid dish (23).

3. press the rim motor of the described tool torsion detecting of claim 2, it is characterized in that: the central authorities of described cap (211) are extended with protruding axle (2112) vertically, protruding axle is arranged with the chain pulley seat sealed with sprocket wheel (221) on (2112), and protruding axle (2112) and the inwall of chain pulley seat (221) are located vertically to be provided with and be corresponding guide vane end stop (2113) and stopper slot (2211).

4. by the rim motor of the described tool torsion detecting of claim 3, it is characterized in that: the protruding axle (2112) on the described cap (211) is the corresponding serial verb construction of corresponding toothed, strip or screw-shaped with the socket place of chain pulley seat (221).

5. by the rim motor of the described tool torsion detecting of claim 2, it is characterized in that: described interlock dish (222) is socketed on the protruding axle (2112) of cap (211); Be equipped with more than one hollow slots (2111) on the cap (211), be equipped with on the interlock dish (222) can penetrate more than one hollow slots (2111), with the connecting axle (223) of active turn grid dishes (24) Joint of cap (211) opposite side, cap (211) and interlock dish (222) are held in the two ends of elastic parts (4) respectively.

6. by the rim motor of the described tool torsion detecting of claim 5, it is characterized in that: described elastic parts (4) is filled in the hollow slots (2111), and the outside that connecting axle (223) is positioned at the part of hollow slots (2111) is arranged with sleeve (224).

7. press the rim motor of the described tool torsion detecting of claim 1, it is characterized in that: described movable device (2) comprises hub (21) and cap (211), one side of hub (21) is provided with the cap (211) that supports for elasticity assembly (4), interlock module (22) comprises driven rotating disk (25) and interlock dish (222), one side of interlock dish (222) is corresponding with a side of cap (211), and be extended with and pass cap (211) for sprocket wheel (26) affixed connecting portion (2221), initiatively turn grid dishes (24) are fixed in the opposite side of interlock dish (222), and sprocket wheel (26) is positioned at the opposite side of cap (211); Interlock dish (222) is provided with pushing and pressing part (2222) in outer rim, the outer rim of (2222) is extended with the width pressure section narrow than the pushing and pressing part (2223) in the pushing and pressing part, one side of described cap (211) is installed with and can supplies the affixed driven rotating disk (25) of driven turn grid dish (23), the central authorities of driven rotating disk (25) are provided with the storage tank (251) of inserting for interlock dish (222), storage tank (251) inwall outwards be provided with stepped carry out turn after inserting for pushing and pressing part (2222) and pressure section (2223) revolve arrival slot (252), respectively revolve and be provided with the elastic parts (4) that compresses for pressure section (2223) turn in the arrival slot.

8. by the rim motor of the described tool torsion of claim 7 detecting, it is characterized in that: the outer rim of described connecting portion (2221) and cap (211) inwall are located vertically to be provided with and are corresponding guide vane end stop (2113) and stopper slot (2211).

9. press the rim motor of claim 1,2 or 7 described tool torsion detectings, it is characterized in that: described driven turn grid dish (23) is provided with a plurality of hole slots (2311), initiatively turn grid dishes (24) are provided with a plurality of slotted eyes (2411), and driven turn grid dish (23) and active turn grid dishes (24) are for being corresponding tooth palisade or slotted eye shape.

10. press the rim motor of claim 1,2 or 7 described tool torsion detectings, it is characterized in that: described driven turn grid dish (23) is provided with first magnet assembly (2312) of a plurality of intervals shape, and initiatively turn grid dishes (24) are provided with and corresponding a plurality of second magnet assemblies of a plurality of first magnet assemblies (2312).

11. rim motor by claim 1,2 or 7 described tool torsion detectings, it is characterized in that: described driven turn grid dish (23) is provided with a plurality of hole slots (2311), be provided with first magnet assembly (2312) in each hole slot, initiatively turn grid dishes (24) are provided with a plurality of slotted eyes (2411), are provided with in each slotted eye and corresponding second magnet assembly of first magnet assembly (2312) (2412).

12. by the rim motor of claim 1,2 or 7 described tool torsion detectings, it is characterized in that: described active turn grid dishes (24) or driven turn grid dish (23) are structure as a whole with cap (211).

13. the rim motor by claim 1,2 or 7 described tool torsion detectings is characterized in that: described elastic parts (4) is spring, shell fragment, backrush formula spring or excellent power glue.

14. rim motor by the described tool torsion detecting of claim 1, it is characterized in that: described motionless device (1) comprises that central shaft (11), train of reduction gears (12) reach not kinetoplast (121), kinetoplast (121) is not installed on the central shaft (11), train of reduction gears (12) is installed in not on the kinetoplast (121), be not provided with groove (1211) on the kinetoplast (121), transducer (13) is for being provided with the circuit board that can be placed in the groove (1211).

15. by the rim motor of the described tool torsion detecting of claim 1, it is characterized in that: described motionless device (1) comprises central shaft (11) and fixed mount (14), is installed with the fixed mount (14) for transducer (13) location on the central shaft (11).

16. the rim motor by claim 14 or the detecting of 15 described tool torsion is characterized in that: be concaved with in the described central shaft (11) and run through groove (111), transducer (13) is connected with by running through groove (111) and wears signal line (132) to the outside.

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