CN206221592U - Driving gear - Google Patents

Abstract

Driving gear of the present utility model, it has a pedestal, the pedestal installs one and rotationally actuator and fixation can be provided with multiple fixed disks, the actuator is formed with multiple cam parts, the plurality of fixed disk each sets the transmission rolling member of multiple energy radial displacement, and can by the plurality of cam part against and protrude outer rim wall, the inner edge wall of a transmission block forms the continuous concaveconvex structure of ring-type, the continuous concaveconvex structure by the plurality of transmission rolling member against；The purpose of gear is reached by the contact being driven between rolling member and the continuous concaveconvex structure of transmission block, and thus substitute the deceleration transmission of existing gear type, the phenomenon for avoiding stress concentration from causing gear to be damaged, simultaneously, actuator uses multiple cam parts to drive multiple transmission rolling member radial displacements, thus reaches transmission effect of a torsion high.

Description

Driving gear

Technical field

The utility model is related to a kind of gear, more particularly to a kind of to use roller to push against with the speed change of Contact Transmission Mechanism.

Background technology

Gear, is a kind of deceleration transmission mechanism being located between power source and device (or equipment) output end, often The application seen is, by prime mover, such as：Engine, the output speed of motor are downgraded and are connected to drive output, such as：Wheel, lathe Chuck, by the rotating speed high reduction of script, to meet speed demand during practice.

The conventional gear of prior art, typically using gear type transmission, by different size between gear and different teeth Engagement, the matching of several, so as to reach the transmission of the power between active source and driven member and slow down, however, in gear type transmission machine In structure, the precise requirements that teeth parts are manufactured are high so that the manufacturing process of related spare part is excessively complicated, and is difficult A large amount of productions, meanwhile, the teeth portion of gear easily because the formation of stress concentration is so that crumble, so as to cause the damage of transmission system Ruin.

Additionally, the application for passing through gear type transmission mechanism, though the output speed of prime mover can be easily downgraded, in turning After velocity modulation is whole, requirement of the driven member for outputting torsion cannot be but taken into account, thus result in the operating inconvenience of drive output, with And having some setbacks in transmission flow.

Utility model content

The purpose of this utility model is to improve in the prior art, because using gear type transmission mechanism so that manufacturing multiple Miscellaneous, transmission mechanism is easy to failure and cannot obtain the defects such as torque transmission high, by the implementation of the utility model technological means, makes Process simplification must be manufactured, it is to avoid drive failure phenomenon, and the power transmission of torsion high can be obtained.

To reach above-mentioned utility model purpose, the technological means that the utility model is used becomes to design a kind of driving Fast mechanism, it has a power transmission group, a cover and an output；There is the power transmission group pedestal, one first to fix Disk, multiple transmission rolling members, an actuator and one second fixed disk；First fixed disk is a hollow ring body, and is had Multiple first limiting sections, protrude out the end face for being formed at first fixed disk to the plurality of first limiting section interval setting annular in shape Peripheral region, what the first fixed disk other end was fixed is installed on the pedestal, and the plurality of transmission rolling member in part is with can be relative The interval of the plurality of first limiting section is installed in the mode of the first fixed disk radial displacement；The actuator can rotationally pacify Loaded on the pedestal, and with one first cam part and one second cam part, first cam part is formed at the outer of the actuator Edge wall, and against the multiple transmission rolling members being installed on first fixed disk, second cam part is formed at the driving The outer rim wall of part, and abut the end face of first cam part；Second fixed disk has multiple second limiting sections, and this is more Individual second limiting section is annularly spaced to protrude out the end face peripheral region for being formed at second fixed disk, second fixed disk Form connection pedestal of the end face fixation of the plurality of second limiting section and set towards first fixed disk, the plurality of second Limiting section and the plurality of first limiting section contraposition interlaced with each other, the plurality of transmission rolling member of another part with can relative to this The mode of two fixed disk radial displacements is installed on the interval of the plurality of second limiting section, and each the plurality of transmission rolling member with Second cam part of the actuator against；The cover center formed one be open, and and be installed on the pedestal around this first consolidate Price fixing is set；The output has a transmission block, and the transmission block end face protrudes out to form an output, the transmission block other end Inner edge wall forms the continuous concaveconvex structure of ring-type, what the transmission block can be rotated be installed on second fixed disk and the cover it Between, the output is installed on the opening of the cover, and the multiple transmissions for being installed on first fixed disk and second fixed disk are rolled Part can be resisted against the continuous concaveconvex structure of the transmission block.

First cam part of described driving gear, the wherein actuator has two the first summits, this two First vertex spacings are set to constitute two protuberances of the first cam part appearance profile, and thus, two first summits push away Multiple transmission rolling members on first fixed disk, to reach footpath of the plurality of transmission rolling member relative to first fixed disk To displacement and protrude from the outer rim wall of the plurality of first limiting section；Second cam part of the actuator has two second tops Point, two second vertex spacings are set to constitute two protuberances of the second cam part appearance profile, thus, this two the Two summits push against the multiple transmission rolling members on second fixed disk, second are consolidated relative to this with reaching the plurality of transmission rolling member The radial displacement of price fixing and the outer rim wall of the plurality of second limiting section is protruded from, two second summits and this two first tops It is intervally installed between point.

Described driving gear, the wherein output further have multiple passive rolling members, the plurality of passive The other end for being installed on the transmission block of rolling member spread configuration annular in shape, thus, the private side of the plurality of passive rolling member Edge constitutes the continuous concaveconvex structure of the transmission block inner edge wall, two the first summits of first cam part and second cam part Multiple transmission rolling members of two the second summits pushing and pressing be resisted against the plurality of passive rolling member.

Described driving gear, the wherein passive rolling member have a sub-assembly, at least a needle bearing, a rolling Set and a pad；The sub-assembly is installed on the end face of the transmission block；The needle bearing is installed on the sub-assembly, and inner edge wall It is resisted against the sub-assembly；The roll sleeve is a hollow pipe fitting and installs the outer rim wall for being located at the needle bearing, and the plurality of transmission is rolled Moving part can be resisted against the outer rim wall of the roll sleeve；The pad is sheathed on the sub-assembly, and two ends are born against in the roll sleeve Between end face and the transmission block.

Described driving gear, the wherein transmission block of the output have one to drive ring wall, the driving ring wall ring Shape and axial direction protrude out the other end for being formed at the transmission block, the driving ring wall inner wall face diameter to protrude out to form multiple intervals The inner circular tooth of setting, thus, the plurality of spaced inner circular tooth constitutes the continuous concaveconvex structure of the transmission block inner edge wall, should Multiple transmission rolling members of two the second summits pushing and pressing of two the first summits of the first cam part and second cam part against In the plurality of inner circular tooth.

Described driving gear, wherein the power transmission group further have a motor, a driving gear group, one Base bearing and an output bearing；The end face of the pedestal is recessed to form a storage tank, and the base bearing is installed on the storage tank It is interior；The motor is installed on the other end of the pedestal, and the driving gear group is arranged at the storage tank centre of the pedestal and company It is connected to the motor；First fixed disk is set around the driving gear group；The actuator is connected to the driving gear group, and enters One step has an installation portion；The installation portion protrudes out the other end for being formed at first cam part, and is installed on the pedestal axle Hold inner edge wall；Second fixed disk has an installing department, and the installing department protrudes out the centre for being formed at other end, the output Bearing is installed on the installing department outer rim wall；The transmission block further has an output bearing block, the output bearing block concave shape Into in the transmission block other end centre, the output bearing is installed in the output bearing block.

Described driving gear, the wherein pedestal further have a setting table and at least one set of dress post, and this sets Put platform convex and stretch and be formed at the storage tank centre, the assembling post is installed on the setting table end face；The driving gear group has a master Dynamic tooth post, multiple driven gears and a tooth post bearing；The active tooth post one end is connected to the motor, and the other end wears out the setting You face；It is hubbed at the setting table to the plurality of driven gear interval setting and is engaged in the active tooth post；The actuator is One hollow body and further have an engaging piece, the engaging piece is formed at the inner edge wall of the actuator, and is engaged in this Multiple driven gears；Second fixed disk further has at least one set of dress hole and a tooth post bearing block；The assembly hole runs through shape Installed into second fixed disk and by the assembling post；Tooth post bearing block depression is formed at second fixed disk, and to form this more The end face centre of individual second limiting section, the tooth post bearing is installed in the tooth post bearing block, and the end of the active tooth post is installed In the tooth post bearing.

Described driving gear, the wherein cover have an assembling lid, a ring wall part and an assembling bearing；The group Capping is the hollow ring body opening central to form the cover, and with an assembling bearing block, the assembling bearing block is recessed Fall into and be formed at the cover end face, the assembling bearing is installed in the assembling bearing block；The ring wall part is a hollow ring body, And in one end inner wall face diameter to protrude out to form a flange, the other end of the ring wall part is installed on the assembling lid, the ring wall The flange of part is resisted against the end that the transmission block forms the continuous concaveconvex structure of ring-type；The output outer rim wall of the transmission block is installed In the assembling bearing, and the output is installed on the centre of the assembling lid.

Described driving gear, the wherein pedestal further have multiple conjunctions and multiple keepers, and this is more Individual conjunction and multiple keeper interval settings interlaced with each other and the end face for being installed on pedestal formation setting table annular in shape；Should The ring wall part of cover further has multiple combined holes and multiple location holes, and the plurality of combined hole and the plurality of location hole are handed over each other Wrong interval setting and depression annular in shape are formed at the end face that the ring wall part forms flange, the corresponding installation of the plurality of combined hole The plurality of conjunction, the corresponding installation of many location holes many keepers.

The appearance profile of the first cam part of described driving gear, the wherein actuator is drops, ellipse Shape, cubic shape, triangular shape or hexagonal shape；The appearance profile of second cam part is drops, ellipticity, cubic shape, triangular shape Or hexagonal shape.

The utility model has the advantage of being capable of radial displacement by set on the first fixed disk and the second fixed disk Multiple transmission rolling member, and formed by the driving ring wall that the passive rolling member or transmission block that are installed on transmission block are formed Contact between continuous concaveconvex structure, so as to reach by power transmission group to the gear between output, and makes output It is able to therefore drive outside driven member to rotate, is transmitted by above-mentioned power to replace the power transmission of existing gear type, to keep away Exempt from it is passing because manufacture the degree of accuracy is high and stress concentration phenomenon caused by defect, also, because actuator is formed with the first cam Portion and the second cam part, each to push against the radial direction position of multiple transmission rolling members on the first fixed disk and the second fixed disk simultaneously Move, thus during power is transmitted, can in the lump reach technology effect of torque transmission high.

Brief description of the drawings

Fig. 1 is the stereo appearance figure of the utility model first embodiment.

Fig. 2 is the three-dimensional exploded view of the utility model first embodiment.

Fig. 3 is the utility model in another angle three-dimensional exploded view of Fig. 2.

Fig. 4 is the utility model in the further three-dimensional exploded view of Fig. 2 power transmission groups.

Fig. 5 is the utility model in the front plan view of second fixed disk of Fig. 4.

Fig. 6 is the utility model in the further three-dimensional exploded view of Fig. 4.

Fig. 7 is the utility model in another angle stereogram of the actuator of Fig. 6.

Fig. 8 is the three-dimensional exploded view of the output of the utility model first embodiment.

Fig. 9 is the side view cutaway drawing of the utility model first embodiment.

Figure 10 is the action plane schematic diagram of the utility model first embodiment, and this figure is not presented the first fixed disk and the Two fixed disks.

Figure 11 is the three-dimensional exploded view of the utility model second embodiment.

Figure 12 is the action plane schematic diagram of the utility model second embodiment, and this figure is not presented the first fixed disk and the Two fixed disks.

Figure 13 to Figure 17 is the different appearance profile plans of the first cam part of the utility model actuator.

Specific embodiment

Hereinafter coordinate schema and preferred embodiment of the present utility model, it is predetermined real to reach that the utility model is expanded on further The technological means taken with new purpose.

Refer to shown in Fig. 1, the first embodiment of the utility model driving gear, it has a power transmission group 10th, a cover 20 and an output 30.

Refer to shown in Fig. 2,4 and 6, the power transmission group 10 has a pedestal 11, a motor 12, a driving gear group 13rd, a base bearing 14, one first fixed disk 15, multiple transmission rolling members 16,16A, an actuator 17 and one second fixed disk 18 and one output bearing 19.

The pedestal 10 has a storage tank 110, a setting table 111, at least one set of dress post 112, multiple conjunctions 113 and many Individual keeper 114.

The storage tank 110 depression is formed at the end face of the pedestal 11, and the setting table 111 is protruded out and is formed at the storage tank 110 centres, the assembling post 112 is installed on the end face of setting table 111, and the plurality of conjunction 113 and multiple keepers 114 are each other Staggeredly interval setting and annular in shape it is installed on the end face that the pedestal 10 forms setting table.

The motor 12 is installed on the other end of the pedestal 11, and the driving gear group 13 is arranged at the storage tank of the pedestal 11 110 centres and it is connected to the motor 12.

Specifically, the driving gear group 13 has an active tooth post 131, multiple tooth post bearings of driven gear 132 and 133。

The one end of active tooth post 131 is connected to the motor 12, and the other end wears out the end face of setting table 111, it is the plurality of from Moving gear 132 is spaced to be hubbed at the setting table 111 and is engaged in the active tooth post 131.

The base bearing 14 is installed in the storage tank 110 of the pedestal 11.

Refer to shown in Fig. 4,6 and 9, first fixed disk 15 is a hollow ring body, and it is spacing with multiple first Portion 151；What the end face of the first fixed disk 15 was fixed is installed on the pedestal 11, and is set around the driving gear group 13.

The plurality of first limiting section 151 is annularly spaced to protrude out the other end for being formed at first fixed disk 15 Peripheral region.

Refer to shown in Fig. 4,6 and 9, the actuator 17 is for a hollow body and with an engaging piece 170, one first cam Portion 171, an installation portion 172 and one second cam part 173；The actuator 17 is connected to the driving gear group 13, and can rotate Be installed on the pedestal 11.

The engaging piece 170 is formed at the inner edge wall of the actuator 17, and is engaged in the plurality of driven gear 132.

First cam part 171 is formed at the outer rim wall of the actuator 17.

The installation portion 172 protrudes out the end face for being formed at first cam part 171, and is installed in the base bearing 14 Edge wall.

Second cam part 173 is formed at the outer rim wall of the actuator 17, and abuts the another of first cam part 171 End face.

In the specific embodiment shown in the utility model Fig. 6 and Fig. 7, the first cam part 171 of the actuator 17 has two Individual first summit 174, two interval settings of the first summit 174 are convex to constitute two of the appearance profile of the first cam part 171 Go out portion, second cam part 173 have two the second summits 175, two interval settings of the second summit 175 with constitute this second Two protuberances of the appearance profile of cam part 173, between this two the second summits 175 and this two the first summits 174 to each other Every setting, when present pre-ferred embodiments, this two the second summits 175 and this two the first summits 174 can be spaced Position is 90 degree of positions of angle.

Refer to shown in Fig. 4,5 and 9, second fixed disk 18 has an installing department 181, multiple second limiting sections 182, extremely Few an assembly hole 183 and a tooth post bearing block 184.

The installing department 181 protrudes out the centre for being formed at the end face of the second fixed disk 18.

The plurality of second limiting section 182 is annularly spaced to protrude out the other end for being formed at second fixed disk 18 Peripheral region；Second fixed disk 18 forms the connection pedestal 11 and the direction that the end face of the plurality of second limiting section 182 is fixed First fixed disk 15 is set, the plurality of second limiting section 182 and the contraposition interlaced with each other of the plurality of first limiting section 151.

The transmission rolling member 16,16A be cylinder, part it is the plurality of transmission rolling member 16 with can relative to this first consolidate The mode of the radial displacement of price fixing 15 is installed on the interval of the plurality of first limiting section 151, and each the plurality of transmission rolling member 16 with the first cam part 171 of the actuator 17 against；The plurality of transmission rolling member 16A of another part with can relative to this The mode of the radial displacement of two fixed disk 18 is installed on the interval of the plurality of second limiting section 182, and each the plurality of transmission rolling Second cam part 173 of moving part 16A and the actuator 17 against.

Please coordinate simultaneously shown in Fig. 2,4 and 10, thus, when two first summits 174 are pushed against on first fixed disk 15 Multiple transmission rolling member 16 when, reaching the plurality of transmission rolling member 16 relative to the radial displacement of first fixed disk 15 and The outer rim wall of the plurality of first limiting section 151 is protruded from, and is pushed against on second fixed disk 18 on two second summits 175 Multiple transmission rolling member 16A when, to reach radial displacements of the plurality of transmission rolling member 16A relative to second fixed disk 18 And protrude from the outer rim wall of the plurality of second limiting section 182.

The assembly hole 183 is formed through second fixed disk 18 and is installed by the assembling post 112, with reach this second Connection between fixed disk 18 and the pedestal 11.

The tooth post bearing block 184 depression is formed at the end face that second fixed disk 18 forms the plurality of second limiting section 182 Centre；The tooth post bearing 133 is installed in the tooth post bearing block 184, and the end of the active tooth post 131 is installed on the tooth post axle Hold 133.

The output bearing 19 is installed on the outer rim wall of installing department 181.

Refer to shown in Fig. 2,3 and 9, the center of cover 20 forms one and is open, and with an assembling lid 21, a ring wall part 22 and one assembling bearing 23；The cover 20 is installed on the pedestal 11 and is set around first fixed disk 15.

The assembling lid 21 be a hollow ring body to form the opening in the center of cover 20, and with an assembling bearing block 211, the assembling bearing block 211 depression is formed at the end face of cover 20.

The ring wall part 22 is a hollow ring body, and with a flange 220, multiple combined holes 221 and multiple location holes 222；One end of the ring wall part 22 is installed on the assembling lid 21.

The flange 220 in the other end inner wall face diameter of ring wall part 22 to protrude out and to be formed.

The plurality of combined hole 221 and the interval setting interlaced with each other of the plurality of location hole 222 and depression annular in shape are formed at The ring wall part 22 forms the end face of flange 220；The plurality of conjunction 113 of the corresponding installation of the plurality of combined hole 221, it is the plurality of The plurality of keeper 114 of the corresponding installation of location hole 222, thus reaches the installation between the cover 20 and pedestal 11.

The assembling bearing 23 is installed in the assembling bearing block 211.

Refer to shown in Fig. 2,3 and 9, the output 30 has a transmission block 31 and multiple passive rolling members 32.

There is the transmission block 31 output 311, to export the continuous concaveconvex structure of the ring-type of bearing block 312 and；The biography What can be rotated for defeated piece 31 is installed between second fixed disk 18 and the cover 20.

The output 311 is protruded out and is formed at the end face of transmission block 31, and the continuous concaveconvex structure of the ring-type is then formed at The inner edge wall of the other end of transmission block 31；The output 311 is installed on the opening of the cover 20, and be installed on this first consolidate Multiple transmission rolling members 16,16A of price fixing 15 and second fixed disk 18 can be resisted against the continuous concavo-convex knot of the transmission block 31 Structure, the flange 220 of the ring wall part 22 is resisted against the end that the transmission block 31 forms the continuous concaveconvex structure of ring-type, specifically, should The outer rim wall of output 311 of transmission block 31 is installed on the assembling bearing 23, and the output 311 is installed on the assembling lid 21 Central opening at, the output 311 is used to connect an outside driven member.

The output bearing block 312 depression is formed at the other end centre of transmission block 31；The output bearing 19 is installed on In the output bearing block 312.

Referring to shown in Fig. 2 and 10, the spread configuration annular in shape of the plurality of passive rolling member 32 is installed on the transmission The other end of block 31, specifically, the inside lateral margin of the plurality of passive rolling member 32 constitutes the inner edge wall of transmission block 31 Continuous concaveconvex structure, two the first summits 174 of first cam part 171 and two the second summits of second cam part 173 Multiple transmission rolling members 16,16A of 175 pushing and pressing are resisted against the plurality of passive rolling member 32.

With further reference to shown in Fig. 8 and 9, the passive rolling member 32 has a sub-assembly 321, at least a needle bearing 322nd, a roll sleeve 323 and a pad 324.

The sub-assembly 321 is installed on the end face of the transmission block 31, and the needle bearing 322 is installed on the sub-assembly 321, and Inner edge wall is resisted against the sub-assembly 321, and the roll sleeve 323 is a hollow pipe fitting and installs the outer rim for being located at the needle bearing 322 Wall, the plurality of transmission rolling member 16,16A can be resisted against the outer rim wall of the roll sleeve 323, and the pad 324 is sheathed on the group Component 321, and two ends are born against between the end face of the roll sleeve 323 and the transmission block 31.

Refer to shown in Figure 11 and Figure 12, the second embodiment of the utility model driving gear, the utility model The second embodiment construction main with first embodiment and annexation are roughly the same, main difference is that, output 30A Transmission block 31A have one to drive ring wall 33 to replace the plurality of passive rolling member 32, the ring-type of driving ring wall 33 and axial direction Protrude out and be formed at transmission block 31A, the inner wall face diameter of driving ring wall 33 to protrude out to form multiple spaced inner circular tooths 331, thus, the plurality of spaced inner circular tooth 331 constitutes the continuous concaveconvex structure of transmission block 31A inner edges wall, and this Multiple transmissions of two the second summits 175 pushing and pressing on two first summits 174 and second cam part 173 of one cam part 171 Rolling member 16,16A is resisted against the plurality of inner circular tooth 331.The structure of the output 311A and output bearing block 312A of transmission block 31A Make and with the relation between the cover 20 and the output bearing block 19, as the transmission block 31 output 311 with output bearing The technical characteristic of seat 312, therefore repeated no more in this.

The utility model in specification and coordinates schema clearly and fully discloses preferred embodiment, makes the utility model institute Category technical field tool usually intellectual can realize according to this, but in the utility model the actuator 17 the first cam part 171 and second cam part 173 the appearance profile aspect that is not limited to disclosed by schema, refer to shown in Figure 13 to 17, in During specific implementation the utility model, the appearance profile of the first cam part 171 of the actuator 17 also can be drops 171A, ellipse Shape 171B, cubic shape 171C, triangular shape 171D or hexagonal shape 171E, and the appearance profile of second cam part 173 equally can be Drops (not shown), ellipticity (not shown), cubic shape (not shown), triangular shape (not shown) or hexagonal shape (not shown), also, in the appearance profile selection of first cam part 171 and second cam part 173, do not limit in First cam part 171 is necessary for identical appearance profile with second cam part 173, in the specific implementation, first cam Portion 171 arranges in pairs or groups with the selection of the appearance profile of the second cam part 173, can be drops 171A for first cam part 171, then Second cam part 173 is ellipticity, or, first cam part 171 is cubic shape 171C, then second cam part 173 is Hexagonal shape, or, first cam part 171 is drops 171A, then second cam part 173 is cubic shape etc. from collocation.

In the utility model, by it is set on first fixed disk 15 and second fixed disk 18 being capable of radial displacement Multiple transmission rolling member 16,16A contacts between the passive rolling member 32 for being installed on the transmission block 31, or multiple transmissions Rolling member 16,16A and the contact driven between ring wall 33 of transmission block 31A, thus reach the driving tooth of the power transmission group 10 Wheel group 13 to the speed change between the transmission block 31 of the output 30,30A and power is transmitted, by the driving tooth originally in transmission process The rotary motion of wheel group 13 is converted into the radial motion of the plurality of transmission rolling member 16,16A, is then rolled by the plurality of transmission Between part 16,16A and the transmission block 31, the continuous concaveconvex structure of 31A inner edges wall against then by the plurality of transmission rolling member 16th, the radial motion of 16A is converted into the rotary motion of the transmission block 31,31A, makes the input speed of the driving gear group 13 can Changed, and enable the output 30,30A to drive outside driven member to rotate, the reality transmitted by the utility model power Apply the defect for improving conventional gear type transmission mechanism, make manufacturing process simplification, so as to avoid manufacture degree of accuracy demand it is high with And stress concentration causes the phenomenon of drive failure.

Also, two second of two the first summits 174 and second cam part 173 due to first cam part 171 The contours profiles on summit 175, can be corresponding against the multiple transmissions on first fixed disk 15 and second fixed disk 18 Rolling member 16,16A, thus during the actuator 17 is rotated every time, it is many referring to this shown in Fig. 2,10 and 12, is made Individual transmission rolling member 16,16A forms four radially protruding first fixed disks 15 and the position of the outer rim wall of the second fixed disk 18 Move, make the plurality of transmission rolling member 16,16A be able to against the passive rolling member 32 or the inner circular tooth 331, to drive the transmission block 31st, 31A rotations, during thus power is transmitted, can in the lump reach technology effect of torque transmission high.

The above is only preferred embodiment of the present utility model, not does any formal to the utility model Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, it is any affiliated Have usually intellectual in technical field, do not departing from the range of technical solutions of the utility model, when using the disclosure above Technology contents make it is a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being without departing from the utility model technology The content of scheme, any simple modification made to above example according to technical spirit of the present utility model, equivalent variations with Modification, still falls within the range of technical solutions of the utility model.

Claims (10)

1. a kind of driving gear, it is characterised in that it has a power transmission group, a cover and an output；

The power transmission group has a pedestal, one first fixed disk, multiple transmission rolling members, an actuator and one second fixation Disk；

First fixed disk is a hollow ring body, and with multiple first limiting sections, the plurality of first limiting section is annular in shape The end face peripheral region for being formed at first fixed disk is protruded out to interval setting, the first fixed disk other end is fixedly mounted In the pedestal, the plurality of transmission rolling member in part by can relative to the first fixed disk radial displacement in the way of to be installed on this more The interval of individual first limiting section；

What the actuator can be rotated is installed on the pedestal, and with one first cam part and one second cam part, and this is first convex Wheel portion is formed at the outer rim wall of the actuator, and against the multiple transmission rolling members being installed on first fixed disk, should Second cam part is formed at the outer rim wall of the actuator, and abuts the end face of first cam part；

Second fixed disk has multiple second limiting sections, and the plurality of second limiting section spaced protruding out annular in shape is formed at The end face peripheral region of second fixed disk, the end face that second fixed disk forms the plurality of second limiting section is permanently connected this Pedestal and set towards first fixed disk, the plurality of second limiting section and the plurality of first limiting section contraposition interlaced with each other, The plurality of transmission rolling member of another part by can relative to the second fixed disk radial displacement in the way of be installed on the plurality of the The interval of two limiting sections, and each the plurality of transmission rolling member and the actuator the second cam part against；

Cover center forms one and is open, and is installed on the pedestal and is set around first fixed disk；

The output has a transmission block, and the transmission block end face protrudes out to form an output, the inner edge of the transmission block other end Wall forms the continuous concaveconvex structure of ring-type, and the transmission block can be rotatably mounted between second fixed disk and the cover, should Output is installed on the opening of the cover, and the multiple transmission rolling members for being installed on first fixed disk and second fixed disk can It is resisted against the continuous concaveconvex structure of the transmission block.

2. driving gear as claimed in claim 1, it is characterised in that the first cam part of the wherein actuator has Two the first summits, two first vertex spacings are set to constitute two protuberances of the first cam part appearance profile, by This, two first summits push against the multiple transmission rolling members on first fixed disk, to reach the plurality of transmission rolling member phase Radial displacement for first fixed disk and protrude from the outer rim wall of the plurality of first limiting section；

Second cam part of the actuator has two the second summits, and two second vertex spacings set second convex to constitute this Two protuberances of wheel portion appearance profile, thus, multiple transmissions that two second summits are pushed against on second fixed disk are rolled Part, to reach the plurality of transmission rolling member relative to the radial displacement of second fixed disk and protrude from the plurality of second limiting section Outer rim wall, be intervally installed between two second summits and two first summits.

3. driving gear as claimed in claim 2, it is characterised in that wherein the output further has multiple quilts Dynamic rolling member, is installed on the other end of the transmission block the plurality of passive rolling member spread configuration annular in shape, thus, the plurality of The inside lateral margin of passive rolling member constitutes the continuous concaveconvex structure of the transmission block inner edge wall, two first of first cam part Multiple transmission rolling members of two the second summits pushing and pressing of summit and second cam part are resisted against the plurality of passive rolling member.

4. driving gear as claimed in claim 3, it is characterised in that wherein the passive rolling member has a combination Part, at least a needle bearing, a roll sleeve and a pad；

The sub-assembly is installed on the end face of the transmission block；

The needle bearing is installed on the sub-assembly, and inner edge wall is resisted against the sub-assembly；

The roll sleeve is a hollow pipe fitting and installs outer rim wall located at the needle bearing, and the plurality of transmission rolling member can be against In the outer rim wall of the roll sleeve；

The pad is sheathed on the sub-assembly, and two ends are born against between the roll sleeve end face and the transmission block.

5. driving gear as claimed in claim 2, it is characterised in that wherein the transmission block of the output has to drive Rotating ring wall, the driving ring wall ring-type and axial direction protrude out the other end for being formed at the transmission block, the driving ring wall inner wall face diameter To protrude out to form multiple spaced inner circular tooths, thus, the plurality of spaced inner circular tooth constitutes the transmission block inner edge The continuous concaveconvex structure of wall, two the second summits pushing and pressing on two first summits and second cam part of first cam part Multiple transmission rolling members be resisted against the plurality of inner circular tooth.

6. the driving gear as described in any one of claim 1 to 5, it is characterised in that wherein the power transmission group is entered One step has a motor, a driving gear group, a base bearing and an output bearing；

The end face of the pedestal is recessed to form a storage tank, and the base bearing is installed in the storage tank；

The motor is installed on the other end of the pedestal, and the driving gear group is arranged at the storage tank centre of the pedestal and company It is connected to the motor；

First fixed disk is set around the driving gear group；

The actuator is connected to the driving gear group, and further has an installation portion；

The installation portion protrudes out the other end for being formed at first cam part, and is installed on the base bearing inner edge wall；

Second fixed disk has an installing department, and the installing department protrudes out the centre for being formed at other end, output bearing peace Loaded on the installing department outer rim wall；

The transmission block further has an output bearing block, and the output bearing block concave shape is into transmission block other end center Place, the output bearing is installed in the output bearing block.

7. driving gear as claimed in claim 6, it is characterised in that wherein the pedestal further has a setting table And at least one set fills post, the setting table is protruded out and is formed at the storage tank centre, and the assembling post is installed on the setting table end face；

The driving gear group has an active tooth post, multiple driven gears and a tooth post bearing；

The active tooth post one end is connected to the motor, and the other end wears out the setting table end face；

It is hubbed at the setting table to the plurality of driven gear interval setting and is engaged in the active tooth post；

The actuator is a hollow body and further has an engaging piece, and the engaging piece is formed at the inner wall of the actuator Face, and it is engaged in the plurality of driven gear；

Second fixed disk further has at least one set of dress hole and a tooth post bearing block；

The assembly hole is formed through second fixed disk and is installed by the assembling post；

Tooth post bearing block depression is formed at the end face centre that second fixed disk forms the plurality of second limiting section, the tooth post Bearing is installed in the tooth post bearing block, and the end of the active tooth post is installed on the tooth post bearing.

8. driving gear as claimed in claim 7, it is characterised in that wherein the cover has an assembling lid, a ring Wall pieces and an assembling bearing；

The assembling lid is the hollow ring body opening central to form the cover, and with an assembling bearing block, the assembling Bearing block depression is formed at the cover end face, and the assembling bearing is installed in the assembling bearing block；

The ring wall part is a hollow ring body, and radially protrudes out to form a flange in one end inner wall face, the ring wall part The other end is installed on the assembling lid, and the flange of the ring wall part is resisted against the end that the transmission block forms the continuous concaveconvex structure of ring-type；

The output outer rim wall of the transmission block is installed on the assembling bearing, and the output is installed on the center of the assembling lid Place.

9. driving gear as claimed in claim 8, it is characterised in that wherein the pedestal further has multiple combination Part and multiple keeper, the plurality of conjunction and multiple keeper interval settings interlaced with each other and annularly it is installed on the pedestal Form the end face of setting table；

The ring wall part of the cover further has multiple combined holes and multiple location holes, the plurality of combined hole and the plurality of location hole Interval setting interlaced with each other and annularly depression are formed at the end face that the ring wall part forms flange, and the plurality of combined hole is corresponding The plurality of conjunction of installation, the plurality of keeper of the corresponding installation of the plurality of location hole.

10. driving gear as claimed in claim 1, it is characterised in that wherein the first cam part of the actuator Appearance profile is drops, ellipticity, cubic shape, triangular shape or hexagonal shape；

The appearance profile of second cam part is drops, ellipticity, cubic shape, triangular shape or hexagonal shape.