CN201856865U

CN201856865U - Five-way bowel group with torsion switch

Info

Publication number: CN201856865U
Application number: CN201020148417XU
Authority: CN
Inventors: 纪孟豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-17
Filing date: 2010-03-17
Publication date: 2011-06-08
Anticipated expiration: 2020-03-17

Abstract

The utility model relates to a five-way bowel group with a torsion switch, which comprises a five-way bowel group, a circuit input terminal, a crankset seat, a driving piece, a starting device and a plurality of insulators, wherein the five-way bowel group comprises a BB rotating shaft for bearing tread torsion force; the circuit input terminal comprises a carbon brush holder which is fixedly arranged outside the BB rotating shaft and keeps contact with an anode bearing bush; the crankset seat is used for the arrangement of a crankset to bear the friction force of a rear wheel; a driving hole is formed on the crankset; a plurality of elastic elements are arranged between the driving piece and the driving hole; the starting device comprises a cathode element arranged on the crankset seat and an anode bearing bush arranged at the BB rotating shaft; a proper distance is reserved between the cathode element and the anode bearing bush; and the insulators are respectively arranged at various parts for preventing the starting device from being short-circuited. By implementing various elements, when the BB rotating shaft drives forwards and the crankset seat is driven by the elastic elements to push forwards, the crankset drives rear load force, so that the crankset seat presses backwards to enable the anode to be contacted with the cathode to generate a signal which is transmitted to a controller, and further the controller starts a motor or generates a torsion value.

Description

The five-way bowl group of tool torsion switch

Technical field

The utility model relates to a kind of boosted vehicle or body building equipment, relate in particular to a kind of torsion of trampling that five-way bowl group is experienced crank of being located at, according to this whether Starting motor with reach power-assisted or as in the body building equipment computer card road the five-way bowl group of tool torsion switch.

Background technology

Generally there are a lot of boosted vehicles all to be equipped with the torque sensing device on the market, utilize the torque sensing device can detect the torsion of crankshaft that the user bestows, when torsion excessive and when causing rider's burden, this induction installation just can starter motor, imposes auxiliary force and advances and utilize electricity to hold electric power and motor.

See also Figure 10, existing structure 8 shown in Figure 10, be No. the 566544th, tw Taiwan utility model notification number " bicycle torsion is detectd the side device ", its five-way pipe 81 and one that is installed in bicycle is located between this five-way pipe 81 in-to-ins one rotating shaft 82, this arrangement for detecting comprises: a housing 83, be set in this rotating shaft 82 outsides, have a perisporium that can define a space and be produced around these rotating shaft 82 1 axis; One planet gear unit 84, be installed in the space of this housing 83, and have one and be subjected to carriage 85, the number axis of these rotating shaft 82 interlocks to be located at power output wheel 87 and that the satellite gear 86, on this carriage 85 drives by this satellite gear 86 to be set in these satellite gear 86 exterior ring gear 871 these ring gears 871 and to have a fastener 88; One connecting rod 9, be to should the axis setting and axle be located at perisporium one medial surface of this housing 83, and have one and be pivotly that axle the axle pivot portion 91, on this innings wall of being located at is located at these pivot portion 91 1 sides and the stopper end 92 and that is embedded on fastener 88 is the swing end 93 of opposite setting with this stopper end 92, the distance of this swing end 93 to axle pivot portion 91 is greater than the distance of stopper end 92 to axle pivot portion 91, when stopper end 92 was subjected to ring gear 871 micro-stoppers, these swing end 93 scalable displacements also moved to a second place by a primary importance; One magnet unit 94 is to be installed on the swing end 93 of this connecting rod 9; One replys unit 95, returns back to primary importance after utilizing its elastic force can make the swing end 93 of connecting rod 9 move to the second place; One displacement measuring element 96 is to be installed on the perisporium of this housing 83, and has a pair of induction end 97 that should swing end 93 and magnet unit 94; By this, when the ring gear 871 of this planetary gear unit 84 bears big torsion, brake this connecting rod 9 produces the trace swing, and make magnet unit 94 and displacement measuring element 96 produce relative displacement, and make induction end 97 inductions one electrodynamic type of displacement measuring element 96, this electrodynamic type can be used as the control signal of induction, and control signal can start electric power, to reach the driven by power purpose.

But, above-mentioned existing structure be installed in the five-way pipe the scattered complexity of special component and can't modularity, be unfavorable for the car load assembling, and the integral structure of existing structure can't be adjusted the size of the torsion that can detect.

The utility model content

Main purpose of the present utility model provides a kind of five-way bowl group of tool torsion switch, but its modularity.

Secondary objective of the present utility model provides a kind of five-way bowl group of tool torsion switch, and it can adjust the torque sensing degree.

The utility model provides a kind of five-way bowl group of tool torsion switch, comprises: a five-way bowl group, comprise a BB rotating shaft, and user's the torsion of trampling is born in this BB rotating shaft, is close to this BB rotating shaft one side and corresponding anodal bearing sleeve place establishes insulator; One circuit input end, be located at BB rotating shaft one side and with the outside of insulator homonymy, this circuit input end comprises a carbon brush and a carbon brush holder, this carbon brush holder is fixedly arranged on the outside of BB rotating shaft, and this carbon brush is located at and is kept in touch in the carbon brush holder and with anodal bearing sleeve; One large fluted disc seat, be located at BB rotating shaft one side and with the sub-homonymy of circuit input end, this large fluted disc seat is established for large fluted disc knot and is born the friction force of trailing wheel, this large fluted disc seat is established a special driving hole; One Transmission, be fixedly arranged on BB rotating shaft one side and in be located at the driving hole of large fluted disc seat, establish an elastic element between this Transmission and this driving hole; One starter gear comprises a negative pole element and anodal bearing sleeve, and this negative pole element is located at the large fluted disc seat, and anodal bearing sleeve is located at BB rotating shaft place, this negative pole element and the anodal bearing sleeve state that keeps the distance; And a plurality of insulators, be located at BB rotating shaft and large fluted disc seat respectively, cause short circuit to avoid starter gear; When implementing, if when BB rotating shaft or large fluted disc seat are subjected to big torsion, the driving hole of Transmission or large fluted disc seat will push elastic element, make the negative pole element contact anodal bearing sleeve, move with starter motor by said elements.

The utility model also provides a kind of five-way bowl group of tool torsion switch, comprises: a five-way bowl group, comprise a BB rotating shaft, and user's the torsion of trampling is born in described BB rotating shaft, is close to described BB rotating shaft one side and is provided with the large fluted disc seat; One circuit input end, be located at described BB rotating shaft one side and be close to described large fluted disc seat, described circuit input end comprises a carbon brush and a carbon brush holder, and described carbon brush holder is fixedly arranged on the outside of described BB rotating shaft and is mutually the shape of can switching on, and described carbon brush is located at outside the described carbon brush holder and is kept in touch mutually; Described large fluted disc seat is located at described BB rotating shaft one side and is close to described circuit input end, and described large fluted disc seat is established for the large fluted disc knot and born the friction force of trailing wheel, and described large fluted disc seat is established a special driving hole; And a Transmission, be fixedly arranged on described BB rotating shaft one side and in be located at the described driving hole of described large fluted disc seat, establish a variable resistor element between described Transmission and the described driving hole; By said elements when implementing, when if described BB rotating shaft and described large fluted disc seat are subjected to the rightabout each other torsion of mobility respectively, make the described driving hole of described Transmission and described large fluted disc seat will push the size of current that described variable resistor element changes the supply motor power supply, to control the size of exerting oneself of described motor.

Learn that by above explanation the utility model compared with prior art has following effect:

1, the utility model is can single modularity, with the car load assembling of the big factory in convenient downstream, need not cultivate senior assembling person and just can promote capacity rating.Because of can simply being assemblied in the five-way of boosted vehicle, so quite be applicable to bicycle DIY Market for refitting.

2, the distance size of the negative pole element of the utility model starter gear and anodal bearing sleeve, the size of the torsion that the activation adjustment is sensed makes the user that boosted vehicle is male to be suitable for, women, old, the children is all types of.

3, the user of the visual boosted vehicle of the utility model stampede power size of travelling to change variable resistor element, allows motor exert oneself and becomes big, makes the boosted vehicle climbing highway section that is suitable for travelling, and provides motor-assisted in good time.If the variable resistor element amount of being squeezed is little or constant, then making its resistance is general resistance value, and motor is exerted oneself, and makes the boosted vehicle highway section, level land that is suitable for travelling.

Description of drawings

Fig. 1 is the External view of enforcement aspect of five-way bowl group of the tool torsion switch of the utility model one embodiment.

Fig. 2 is the three-dimensional exploded view of five-way bowl group of the tool torsion switch of the utility model one embodiment.

Fig. 3 is the section plan of five-way bowl group of the tool torsion switch of the utility model one embodiment.

Fig. 4 is the a-a section section-drawing of Fig. 3.

Fig. 5 is the b-b section section-drawing of Fig. 3.

Fig. 6 is the three-dimensional exploded view of five-way bowl group of the tool torsion switch of another embodiment of the utility model.

Fig. 7 a is the c-c section section-drawing of five-way bowl group of the tool torsion switch of another embodiment of the utility model.

Fig. 7 b is the section plan of five-way bowl group of the tool torsion switch of another embodiment of the utility model.

Fig. 8 is the deflection of variable resistor element of another embodiment of the utility model and the graph of a relation of resistance value.

Fig. 9 is the deflection of variable resistor element of another embodiment of the utility model and the graph of a relation of motor torsion.

Figure 10 detects the constructional drawing of side device for existing bicycle torsion.

The main element nomenclature:

1: five-way bowl group; 11: body skin;

111: pushing face-drawing; 112: bead;

12: lid; 121: pushing face-drawing;

The 13:BB rotating shaft; 131: croze;

14: bearing; 2: circuit input end;

21: carbon brush holder; 22: carbon brush;

3: the large fluted disc seat; 31: driving hole;

4: Transmission; 40: variable resistor element;

41: elastic element; 5: starter gear;

51: anodal bearing sleeve; 511: screw;

512: contact jaw; 52: the negative pole element;

521: elliptical aperture; 522: contact jaw;

6: insulator; 61: the first insulators;

62: the second insulators; 63: the three insulators;

64:O type ring; 7: the five-way pipe;

70: pushing face-drawing; 71: large fluted disc;

72: crank; T: torsion;

δ: deflection; R: resistance;

8: existing structure; 81: the five-way pipe;

82: rotating shaft; 83: housing;

84: planetary gear unit; 85: carriage;

86: satellite gear; 87: power output wheel;

88: fastener; 871: ring gear;

9: connecting rod; 91: axle pivot portion;

92: the moving end; 93: the swing end;

94: magnet unit; 95: reply the unit;

96: the displacement measuring element; 97: the induction end.

The specific embodiment

At first, see also Fig. 1 to shown in Figure 4, the five-way bowl group for the tool torsion switch of the utility model one embodiment comprises: a five-way bowl group 1, circuit input end 2, a large fluted disc seat 3, a Transmission 4, a starter gear 5 and a plurality of insulator 6.Wherein,

This five-way bowl group 1, be installed in the five-way pipe 7 of boosted vehicle, integral body comprises a body skin 11 of hollow, a lid 12, a BB (Bottom Bracket) rotating shaft 13 and the bearing 14 of hollow, wherein this BB rotating shaft 13 for strip through the body skin 11 of hollow and be provided with at least two bearings 14 (the best is three bearings) between the two, therefore 13 pairs of body skiies of this BB rotating shaft 11 are done rotation relatively, but these lid 12 spiral shells are located at the outside of non-bead 112 ends of body skin 11.Enclose each ring at the circumference of this body skin 11, lid 12 in addition and establish the pushing face-drawing 70 that a pushing face-drawing 111,121 correspondences are positioned at five-way pipe 7.Two of this BB rotating shaft 13 terminals set firmly foot-operated crank 72 again, so BB rotating shaft 13 bears user's the torsion of trampling, and are provided with insulator 6 being close to these BB rotating shaft 13 1 sides and corresponding anodal bearing sleeve 51 places;

This circuit input end 2, comprise a carbon brush holder 21 and a carbon brush 22, wherein carbon brush holder 21 be located at body skin 11 bead 112 around, this carbon brush 22 is located in the carbon brush holder 21 and with the anodal bearing sleeve 51 that is fixedly arranged on BB rotating shaft 13 and is kept in touch again, even if under the situation of this positive pole bearing sleeve 51 and BB rotating shaft 13 interlocks, between BB rotating shaft 13 and the anodal bearing sleeve 51 across insulator 6.And BB rotating shaft 13 is in close proximity to circuit input end 2 places and establishes aforesaid at least two bearings 14.This circuit input end 2 connects establishes external circuit, with as with the interface of electro-motor signal contact.

This large fluted disc seat 3, be located at BB rotating shaft 13 and with circuit input end 2 homonymies, this large fluted disc seat 3 is established for large fluted disc 71 knots again, so this large fluted disc seat 3 drives the boosted vehicle trailing wheel to bear, to overcome the load of friction force between trailing wheel and the ground, this large fluted disc seat 3 is established a driving hole 31 of special appearance in addition, and it is poroid that this driving hole 31 is cross.

This Transmission 4, bolt is fixed in croze 131 places of BB rotating shaft 13 1 sides, its be shaped as cross block and in be located at the poroid driving hole 31 of cross of large fluted disc seat 3, and respectively establish an elastic element 41 between this Transmission 4 and this driving hole 31, elastic element 41 is a plurality of rubber blocks or a plurality of spring (not shown).

This starter gear 5 comprises a negative pole element 52 and an anodal bearing sleeve 51, and this negative pole element 52 establishes an elliptical aperture 521, be fixed in the book office of large fluted disc seat 3 by a screw 511, and it is through bending tool one contact jaw 522.And anodal bearing sleeve 51 is located at BB rotating shaft 13 places and also bend a contact jaw 512, and the contact jaw 522 of this negative pole element 52 keeps a segment distance (as shown in Figure 4) with the contact jaw 512 of anodal bearing sleeve 51 again; And

See also Fig. 3 and shown in Figure 4, a plurality of insulators 6, comprise first insulator 61, second insulator 62 and the 3rd insulator 63, wherein first insulator 61 is hollow cylindrical and is located between anodal bearing sleeve 51 and the BB rotating shaft 13, second insulator 62 is located at an end face of large fluted disc seat 3 specially to separate starter gear 5 and circuit input end 2 for the baked donut shape, and the 3rd insulator 63 is fixedly arranged on the other end of large fluted disc seat 3 for little sweet girl's round, be located at BB rotating shaft 13 and large fluted disc seat 3 respectively by these three insulators 6, to avoid starter gear 5 to cause short circuit and to help it to constitute a control loop, this loop is circuit input end 2 in regular turn, body skin 11, bearing 14, BB rotating shaft 13, Transmission 4 and large fluted disc seat 3 are finally through negative pole element 52.Therefore, the contact jaw 522 of negative pole element 52 keeps a segment distance with the contact jaw of anodal bearing sleeve 51 512, then this control loop is off state, if the contact jaw 522 of negative pole element 52 contacts with the contact jaw 512 of anodal bearing sleeve 51, then this control loop is channel status.

Please consult Fig. 1 again to shown in Figure 3, combination by said elements implements to be single module, so the body skin 11 of five-way bowl group of the present utility model five-way pipe 7 one ends from boosted vehicle are penetrated behind its other end, lock in body skin 11 by lid 12 again, establish the five-way pipe 7 that the pushing face-drawing 70 of a pushing face-drawing 111,121 common packing five-way pipes 7 locks in the five-way bowl group of present embodiment boosted vehicle admittedly and enclose each ring by the circumference of body skin 11, lid 12.

See also Fig. 4 and shown in Figure 5, therefore, when being trampled by the user, boosted vehicle travels on the level land, the user imposes on normal power, then the contact jaw 522 of the negative pole element 52 of the starter gear 5 of present embodiment keeps a segment distance with the contact jaw 512 of anodal bearing sleeve 51, if boosted vehicle meets the climbing highway section, then the user must impose on gravity drive BB rotating shaft 13 toward before driving, and when promoting forward via elastic element 41 (for example rubber) drive large fluted disc seat 3, large fluted disc 71 drives back institute load strength, promptly produce large fluted disc seat 3 and push backward, cause both positive and negative polarity contact and promptly produce signal and reach controller, controller is starter motor or produces torque value.

The poroid driving hole 31 of cross that causes large fluted disc seat 3 and the block Transmission 4 of the cross of BB rotating shaft 13 push elastic element 41 or spring each other and cause the contact jaw 522 of the negative pole element 52 of starter gear 5 to contact with the contact jaw 512 of anodal bearing sleeve 51, impose power-assisted to start electro-motor, make the user unlikely sacrifices consisting of an ox, a sheep and a pig tired in the boosted vehicle climbing highway section of travelling.If boosted vehicle travels on the user on level land, desire is quickened the moving velocity of boosted vehicle when meeting cross roads sudden strain of a muscle amber light, certainly will be also can gravity drive crank 72, so also can obtain the power-assisted of electro-motor according to the climbing road conditions, pass through cross roads easily fast to help it.

In addition, the user of boosted vehicle is strong man sometimes, child, the people that old man and schoolgirl etc. are all types of, so its required electro-motor difference on power-assisted opportunity, for example strong male required startup is later opportunity, child, the required startup of old man and schoolgirl opportunity must be early, therefore we can pass through the distance size of negative pole element 52 with the anodal bearing sleeve 51 of adjustment starter gear 5, cause boosted vehicle to be suitable for the man, the woman, always, the user that the children is all types of, for example unclamp the check screw 511 of negative pole element 52, elliptical aperture 521 causes because of negative pole element 52, to adjust the horizontal position of negative pole element 52, the contact jaw 522 that causes negative pole element 52 is changeable with the distance of the contact jaw 512 of anodal bearing sleeve 51, to change the size of institute's energy sensing torsion, it is suitable male to reach boosted vehicle, the woman, always, the user's that the children is all types of purpose.

In addition, the utility model also can be another embodiment, shown in Fig. 6 and Fig. 7 a, Fig. 7 b, with the difference of the foregoing description be that elastic element 41 changes variable resistor element 40 into, this variable resistor element 40 has elasticity again, omit starter gear 5 and insulator 6 simultaneously, make the carbon brush 22 of circuit input end 2 and carbon brush holder 21 outsides direct and the BB rotating shaft be mutually the energising shape, between five-way bowl group 1, large fluted disc seat 3 and BB rotating shaft 13, be provided with waterproof O type ring 64 again.Except that aforementioned components, all the other elements of this another embodiment are identical with the element of the foregoing description.

Therefore, as long as power input end 2 of this another embodiment is the power supply of order one polarity, and variable resistor element 40 can be pressure-sensitive variable resistance conductive rubber, and be located between the driving hole 31 and Transmission 4 of large fluted disc seat 3, constitute a power supply with integral body and supply with the circuit that the control motor is exerted oneself, when this variable resistor element 40 is subjected to the mobility of BB rotating shaft 13 and large fluted disc seat 3 and rightabout each other torsion again, make the driving hole 31 of Transmission 4 and large fluted disc seat 3 will push the size of current that variable resistor element 40 changes the supply motor power supply, control the size of exerting oneself of motor, to improve motor torsion.For example, the user who the looks boosted vehicle stampede power size of travelling will change the amount of being squeezed of variable resistor element 40, the big then resistance value of variable resistor element 40 of its amount of being squeezed diminishes, then motor is exerted oneself and is become big, makes the boosted vehicle climbing highway section that is suitable for travelling, and provides motor-assisted in good time.If variable resistor element 40 amounts of being squeezed are little or constant, then the resistance of variable resistor element 40 is general resistance value, and motor is exerted oneself to generally or not exerting oneself, and makes the boosted vehicle highway section, level land that is suitable for travelling.

Therefore, put the characteristic of aforementioned variable resistor element 40 in order, as shown in Figure 8, the resistance R that deflection δ and its of this variable resistor element 40 are produced is inverse relation, and Figure 9 shows that the deflection δ of variable resistor element 40 and the proportional relation of torsion T that motor is produced.Special one carries, and through automatically controlled design of the present utility model, the deflection δ of palpus variable resistor element 40 reaches δ 1 value back motor and just can exert oneself, and this travels under the situation in climbing highway section for boosted vehicle.And deflection δ travels on for boosted vehicle under the situation in highway section, level land between δ 0 and δ 1, and then motor is not exerted oneself.

Comprehensively above-mentioned, the utility model embodiment removes the five-way bowl group that can apply to boosted vehicle, to experience the torsion of trampling of crank, determine whether according to this outside the starter motor power-assisted, and can apply to body building equipment such as indoor bicycle or tool simultaneously and be provided with running gear of five-way bowl group etc., with as the torque value in the body building equipment computer card road.

It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.

Claims

1. the five-way bowl group of a tool torsion switch is characterized in that, comprises:

One five-way bowl group comprises a BB rotating shaft, and user's the torsion of trampling is born in described BB rotating shaft, is close to described BB rotating shaft one side again and corresponding anodal bearing sleeve place establishes insulator;

One circuit input end, be located at described BB rotating shaft one side and with the outside of described insulator homonymy, described circuit input end comprises a carbon brush and a carbon brush holder, described carbon brush holder is fixedly arranged on the outside of described BB rotating shaft, and described carbon brush is located in the described carbon brush holder and keep in touch with described anodal bearing sleeve;

One large fluted disc seat, be located at described BB rotating shaft one side and with the sub-homonymy of described circuit input end, described large fluted disc seat is established for the large fluted disc knot and is born the friction force of trailing wheel, described large fluted disc seat is established a driving hole;

One Transmission, be fixedly arranged on described BB rotating shaft one side and in be located at the described driving hole of described large fluted disc seat, establish an elastic element between described Transmission and the described driving hole;

One starter gear comprises a negative pole element and described anodal bearing sleeve, and described negative pole element is located at described large fluted disc seat, and described anodal bearing sleeve is located at described BB rotating shaft place, described negative pole element and the described anodal bearing sleeve state that keeps the distance; And

A plurality of insulators are located at described BB rotating shaft and described large fluted disc seat respectively, cause short circuit to avoid starter gear;

By said elements when implementing, when if described BB rotating shaft or described large fluted disc seat are subjected to big torsion, the described driving hole of described Transmission or described large fluted disc seat will push described elastic element, make described negative pole element contact described anodal bearing sleeve, move with starter motor.

2. the five-way bowl group of tool torsion switch according to claim 1 is characterized in that described negative pole element comprises an elliptical aperture, to adjust the distance size of described negative pole element and described anodal bearing sleeve.

3. the five-way bowl group of tool torsion switch according to claim 1 is characterized in that described driving hole is that cross is poroid, and the outward appearance of cooresponding described Transmission is the cross bulk, described elastic element is separated into four parts.

4. according to the five-way bowl group of claim 1 or 3 described tool torsion switches, it is characterized in that described elastic element is a plurality of rubber blocks or a plurality of spring.

5. the five-way bowl group of tool torsion switch according to claim 1 is characterized in that the biend of described large fluted disc seat is provided with insulator.

6. the five-way bowl group of tool torsion switch according to claim 1 is characterized in that, the described BB rotating shaft of described five-way bowl group is in close proximity to described circuit input end place and establishes at least two bearings.

7. the five-way bowl group of a tool torsion switch is characterized in that, comprises:

One five-way bowl group comprises a BB rotating shaft, and user's the torsion of trampling is born in described BB rotating shaft, is close to described BB rotating shaft one side and is provided with the large fluted disc seat;

One circuit input end, be located at described BB rotating shaft one side and be close to described large fluted disc seat, described circuit input end comprises a carbon brush and a carbon brush holder, and described carbon brush holder is fixedly arranged on the outside of described BB rotating shaft and is mutually the shape of can switching on, and described carbon brush is located at outside the described carbon brush holder and is kept in touch mutually;

Described large fluted disc seat is located at described BB rotating shaft one side and is close to described circuit input end, and described large fluted disc seat is established for the large fluted disc knot and born the friction force of trailing wheel, and described large fluted disc seat is established a driving hole; And

One Transmission, be fixedly arranged on described BB rotating shaft one side and in be located at the described driving hole of described large fluted disc seat, establish a variable resistor element between described Transmission and the described driving hole;

By said elements when implementing, when if described BB rotating shaft and described large fluted disc seat are subjected to the rightabout each other torsion of mobility respectively, make the described driving hole of described Transmission and described large fluted disc seat will push the size of current that described variable resistor element changes the supply motor power supply, to control the size of exerting oneself of described motor.

8. the five-way bowl group of tool torsion switch according to claim 7 is characterized in that, described variable resistor element is pressure-sensitive variable resistance conductive rubber.

9. the five-way bowl group of tool torsion switch according to claim 8 is characterized in that described driving hole is that cross is poroid, and the outward appearance of cooresponding described Transmission is the cross bulk, and described variable resistor element is separated into four parts.

10. the five-way bowl group of tool torsion switch according to claim 7 is characterized in that, the described BB rotating shaft of described five-way bowl group is in close proximity to described circuit input end place and establishes at least two bearings.