CN107842584A - Driving gear - Google Patents
Driving gear Download PDFInfo
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- CN107842584A CN107842584A CN201610826428.0A CN201610826428A CN107842584A CN 107842584 A CN107842584 A CN 107842584A CN 201610826428 A CN201610826428 A CN 201610826428A CN 107842584 A CN107842584 A CN 107842584A
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- Prior art keywords
- fixed disk
- transmission
- bearing
- face
- driving gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
- F16H13/06—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion
- F16H13/08—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion with balls or with rollers acting in a similar manner
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The driving gear of the present invention, it has a pedestal, the pedestal installs an actuator that can be rotated and has been fixedly disposed 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 displacements, 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;Reach the purpose of gear by being driven the contact 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 damage, simultaneously, actuator uses multiple cam parts to drive multiple transmission rolling member radial displacements, thus reaches transmission effect of a high torsion.
Description
Technical field
The present invention relates to a kind of gear, and roller pushing and pressing are used with the variable-speed motor of Contact Transmission more particularly to a kind of
Structure.
Background technology
Gear, it is a kind of deceleration transmission mechanism 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 downgrade and are connected to drive output, such as:Wheel, lathe
Chuck, the high rotating speed of script is reduced, speed demand during meeting practice.
The conventional gear of prior art, typically using gear type transmission, passes through different sizes between gear and different teeth
The engagement of several, match, so as to reach the power transmission between active source and driven member with slowing 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 not easy
A large amount of productions, meanwhile, the teeth portion of gear is easily because the formation of stress concentration is so that crumble, so as to cause the damage of transmission system
Ruin.
In addition, by the application of gear type transmission mechanism, though the output speed of prime mover can be downgraded easily, in turning
After velocity modulation is whole, requirement of the driven member for outputting torsion can not be but taken into account, thus cause the operating inconvenience of drive output, with
And having some setbacks in transmission flow.
The content of the invention
It is an object of the invention to improve in the prior art, because using gear type transmission mechanism so that manufacture it is complicated,
The defects of transmission mechanism is easy to failure and can not obtain high torque transmission, passes through the implementation of technical measure so that production
Manufacturing process simplifies, and avoids drive failure phenomenon, and can obtain the power transmission of high torsion.
To reach above-mentioned goal of the invention, the technology used in the present invention means are a kind of driving gear of design,
It has a power transmission group, a cover and an output;The power transmission group has a pedestal, one first fixed disk, multiple
It is driven rolling member, an actuator and one second fixed disk;First fixed disk is a hollow ring body, and with multiple first
Limiting section, the plurality of first limiting section protrude out the end face peripheral region for being formed at first fixed disk with being annularly arranged at intervals,
The first fixed disk other end is fixably attached to the pedestal, the plurality of transmission rolling member in part with can relative to this first
The mode of fixed disk radial displacement is installed on the interval of the plurality of first limiting section;The actuator can be rotatably mounted to the base
Seat, and there is one first cam part and one second cam part, first cam part is formed at the outer rim wall of the actuator, and
And it is formed at the perimeter wall of the actuator against the multiple transmission rolling members being installed on first fixed disk, second cam part
Face, and the end face of adjacent first cam part;Second fixed disk has multiple second limiting sections, and the plurality of second is spacing
Portion protrudes out the end face peripheral region for being formed at second fixed disk with being annularly arranged at intervals, and second fixed disk forms the plurality of
The end face of second limiting section be permanently connected the pedestal and towards first fixed disk set, the plurality of second limiting section with should
Multiple first limiting section contrapositions interlaced with each other, the plurality of transmission rolling member of another part is with can be relative to the second fixed disk footpath
The interval of the plurality of second limiting section, and each the plurality of transmission rolling member and the actuator are installed on to the mode of displacement
Second cam part against;Cover center forms an opening, and is installed on the pedestal and is set around first fixed disk;Should
Output has a transmission block, and the transmission block end face protrudes out to form an output, the inner edge wall shape of the transmission block other end
Continuous concaveconvex structure circlewise, the transmission block can be rotatably mounted between second fixed disk and the cover, the output
The opening of the cover is installed on, being installed on multiple transmission rolling members of first fixed disk and second fixed disk 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 form two protuberances of the first cam part appearance profile, and thus, two first summits push away
To 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 form two protuberances of the second cam part appearance profile, thus, this two the
Two summits push against multiple transmission rolling members on second fixed disk, second solid relative to this to reach the plurality of transmission rolling member
The radial displacement of price fixing and the outer rim wall for protruding from the plurality of second limiting section, 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
It is installed on the other end of the transmission block rolling member spread configuration annular in shape, thus, the private side of the plurality of passive rolling member
Edge forms the continuous concaveconvex structure of the transmission block inner edge wall, two the first summits of first cam part and second cam part
Two the second summits pushing and pressing multiple transmission rolling members 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 the outer rim wall that a hollow pipe fitting and installation are located at the needle bearing, the plurality of transmission rolling
Moving part can be resisted against the outer rim wall of the roll sleeve;The pad is sheathed on the sub-assembly, and both 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 a driving 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 form the continuous concaveconvex structure of the transmission block inner edge wall, should
Multiple transmission rolling members of two the first summits of the first cam part and the pushing and pressing of two the second summits of 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
It is installed on into the transmission block other end centre, the output bearing 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
Moving teeth 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;The plurality of driven gear is spaced to be hubbed at the setting table and is engaged in the active tooth post;The actuator is
One hollow body and further there is 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 are installed in the tooth post bearing block, the end installation of the active tooth post
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 be a hollow ring body to form the opening in cover center, 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 installation of the transmission block
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 engaging members and multiple keepers, and this is more
Individual engaging member and multiple keepers interval setting interlaced with each other and the end face for being installed on the pedestal and forming setting table annular in shape;Should
The ring wall part of cover further has multiple combined holes and multiple positioning holes, and the plurality of combined hole and the plurality of positioning hole are handed over each other
Mistake is arranged at intervals and depression annular in shape is formed at the end face that the ring wall part forms flange, the corresponding installation of the plurality of combined hole
The plurality of engaging member, the plurality of keeper of the corresponding installation of the plurality of positioning hole.
The appearance profile of 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.
It is an advantage of the current invention that it is capable of the multiple of radial displacement by set on the first fixed disk and the second fixed disk
Be driven rolling member, and the driving ring wall that is formed of passive rolling member or transmission block by being installed on transmission block formed it is continuous
Contact between concaveconvex structure, so as to reach by power transmission group to the gear between output, and output is made to be able to
Therefore outside driven member is driven to rotate, by above-mentioned power transmission to substitute the power transmission of existing gear type, to avoid
Toward because manufacture that the degree of accuracy is high and stress concentration phenomenon caused by the defects of, also, due to actuator formed with the first cam part and
Second cam part, each to push against the radial displacements of multiple transmission rolling members on the first fixed disk and the second fixed disk simultaneously, because
And during power transmits, the technical effect of high torque transmission can be reached in the lump.
Brief description of the drawings
Fig. 1 is the stereo appearance figure of first embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of first embodiment of the invention.
Fig. 3 is the present invention in Fig. 2 another angle three-dimensional exploded view.
Fig. 4 is the present invention in the further three-dimensional exploded view of Fig. 2 power transmission groups.
Fig. 5 is the present invention in the front plan view of Fig. 4 the second fixed disk.
Fig. 6 is the present invention in Fig. 4 further three-dimensional exploded view.
Fig. 7 is the present invention in another angle stereogram of Fig. 6 actuator.
Fig. 8 is the three-dimensional exploded view of the output of first embodiment of the invention.
Fig. 9 is the side view cutaway drawing of first embodiment of the invention.
Figure 10 is the action plane schematic diagram of first embodiment of the invention, and the first fixed disk and second solid is not presented in this figure
Price fixing.
Figure 11 is the three-dimensional exploded view of second embodiment of the invention.
Figure 12 is the action plane schematic diagram of second embodiment of the invention, and the first fixed disk and second solid is not presented in this figure
Price fixing.
Figure 13 to Figure 17 is the different appearance profile plans of the first cam part of actuator of the present invention.
Embodiment
Coordinate schema and presently preferred embodiments of the present invention below, the present invention is expanded on further to reach predetermined goal of the invention institute
The technological means taken.
Refer to shown in Fig. 1, the first embodiment of driving gear of the present invention, its have a power transmission group 10,
One cover 20 and an output 30.
It 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 member 16,16A, an actuator 17 and one second fixed disks
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 engaging members 113 and more
Individual keeper 114.
The storage tank 110, which is recessed, is formed at the end face of the pedestal 11, and the setting table 111, which protrudes out, is formed at the storage tank
110 centres, the assembling post 112 are installed on the end face of setting table 111, and the plurality of engaging member 113 and multiple keepers 114 are each other
Staggeredly interval setting and the end face for being installed on the pedestal 10 and forming setting table annular in shape.
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, the tooth post bearing of multiple driven gears 132 and one
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.
It refer to shown in Fig. 4,6 and 9, first fixed disk 15 is a hollow ring body, and 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.
It refer to shown in Fig. 4,6 and 9, the actuator 17 is a hollow body and has 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 adjacent first cam part 171 is another
End face.
In the specific embodiment shown in Fig. 6 of the present invention and Fig. 7, the first cam part 171 of the actuator 17 has two the
One summit 174, this two the first summits 174 are arranged at intervals to form two protuberances of the appearance profile of the first cam part 171,
Second cam part 173 has two the second summits 175, and this two the second summits 175 are arranged at intervals to form second cam
Two protuberances of the appearance profile of portion 173, it is spaced and sets between this two the second summits 175 and this two the first summits 174
Put, when present pre-ferred embodiments, this two the second summits 175 and this two the first summits 174 can be spaced position and exist
The position of 90 degree of angles.
It 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 connection pedestal 11 that the end face of the plurality of second limiting section 182 is fixed and direction
First fixed disk 15 is set, the plurality of second limiting section 182 and the plurality of first limiting section, 151 contraposition interlaced with each other.
The transmission rolling member 16,16A are cylinder, and the plurality of transmission rolling member 16 in part is with can be first solid relative to this
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 this two the first summits 174 are pushed against on first fixed disk 15
Multiple transmission rolling members 16 when, with reach it is the plurality of transmission rolling member 16 relative to first fixed disk 15 radial displacement and
The outer rim wall of the plurality of first limiting section 151 is protruded from, and is pushed against on this two the second summits 175 on second fixed disk 18
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 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 an opening, 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 set around first fixed disk 15.
The assembling lid 21 be a hollow ring body to form the opening in the center of the 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 has a flange 220, multiple combined holes 221 and multiple positioning 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 plurality of positioning hole 222 interval setting interlaced with each other and depression annular in shape is formed at
The ring wall part 22 forms the end face of flange 220;The plurality of engaging member 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 positioning hole 222, reaches the installation between the cover 20 and pedestal 11 whereby.
The assembling bearing 23 is installed in the assembling bearing block 211.
It refer to shown in Fig. 2,3 and 9, the output 30 has a transmission block 31 and multiple passive rolling members 32.
The transmission block 31 has the continuous concaveconvex structure of an output 311, the one output ring-type of bearing block 312 and one;The biography
What can be rotated for defeated piece 31 is installed between second fixed disk 18 and the cover 20.
The output 311, which protrudes out, 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 it is first solid to be installed on this
Multiple transmission rolling members 16, the 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 are 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 connecting 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 10,32 spread configuration annular in shape of the plurality of passive rolling member is installed on the transmission
The other end of block 31, specifically, the inside lateral margin of the plurality of passive rolling member 32 form 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, the 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 the outer rim that a hollow pipe fitting and installation are 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 both ends are born against between the end face of the roll sleeve 323 and the transmission block 31.
It refer to shown in Figure 11 and Figure 12, the second embodiment of driving gear of the present invention, the present invention second is implemented
Example is roughly the same with the construction and annexation that first embodiment is main, main difference is that, output 30A transmission block
31A has a driving ring wall 33 to substitute the plurality of passive rolling member 32, and the ring-type of driving ring wall 33 and axial direction protrude out to be formed
In 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 forms the continuous concaveconvex structure of transmission block 31A inner edges wall, first cam part
Multiple transmission rolling members 16 of 171 two the first summits 174 and two the second summits 175 pushing and pressing of second cam part 173,
16A is resisted against the plurality of inner circular tooth 331.Transmission block 31A output 311A and output bearing block 312A construction and with
Relation between the cover 20 and the output bearing block 19, such as the skill of the output 311 and output bearing block 312 of the transmission block 31
Art feature, therefore repeated no more in this.
The present invention in specification and coordinates schema clearly and fully discloses preferred embodiment, leads belonging to the present invention technology
Domain tool usually intellectual can realize according to this, but in the present invention actuator 17 the first cam part 171 and the second cam
The appearance profile in portion 173 is not limited to the aspect disclosed by schema, refer to shown in Figure 13 to 17, in the specific implementation present invention
When, the appearance profile of the first cam part 171 of the actuator 17 also can be drops 171A, ellipticity 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), ellipse
Round shape (not shown), cubic shape (not shown), triangular shape (not shown) or hexagonal shape (not shown), also, in this
First cam part 171 is not with the appearance profile selection of second cam part 173, limiting in first cam part 171 with being somebody's turn to do
Second cam part 173 is necessary for identical appearance profile, in the specific implementation, first cam part 171 and second cam part
The selection collocation of 173 appearance profiles, can be that first cam part 171 is drops 171A, then second cam part 173 is ellipse
Round shape, or, first cam part 171 is cubic shape 171C, then second cam part 173 is hexagonal shape, or, this is first convex
Wheel portion 171 is drops 171A, then second cam part 173 is cubic shape etc. from collocation.
In the present invention, it is capable of the more of radial displacement by set on first fixed disk 15 and second fixed disk 18
Individual transmission rolling member 16,16A contacts between the passive rolling member 32 for being installed on the transmission block 31, or multiple transmissions roll
Part 16,16A contacts between transmission block 31A driving ring wall 33, thus reach the driving gear group of the power transmission group 10
13 to the output 30,30A transmission block 31 between speed change and power transmission, by the driving gear group originally in transmission process
13 rotary motion is converted into the radial motion of the plurality of transmission rolling member 16,16A, then passes through the plurality of transmission rolling member
16th, between the continuous concaveconvex structure of 16A and the transmission block 31,31A inner edges wall against, then by the plurality of transmission rolling member 16,
16A radial motion is converted into the rotary motion of the transmission block 31,31A, makes the input speed of the driving gear group 13 and can obtain
It must change, and enable the output 30,30A to drive outside driven member to rotate, the implementation transmitted by power of the present invention improves
The defects of conventional gear type transmission mechanism, make manufacturing process simplification, so as to avoid manufacturing degree of accuracy demand height and stress
Concentrate the phenomenon for causing 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, being capable of corresponding multiple transmissions against on first fixed disk 15 and second fixed disk 18
Rolling member 16,16A, thus during the actuator 17 rotates every time, it is more referring to this shown in Fig. 2,10 and 12, is made
Individual transmission rolling member 16,16A form 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 rotates, and during thus power transmits, can reach the technical effect of high torque transmission in the lump.
Described above is only presently preferred embodiments of the present invention, not does any formal limitation to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, has in any art
Usual skill, in the range of technical solution of the present invention is not departed from, when the technology contents using the disclosure above make it is a little
The equivalent embodiment of equivalent variations is changed or is modified to, as long as being the content without departing from technical solution of the present invention, according to the present invention
Any simple modification, equivalent change and modification for being made to above example of technical spirit, still fall within the technology of the present invention side
In the range of case.
Claims (10)
1. a kind of driving gear, 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 has multiple first limiting sections, and the plurality of first limiting section is annular in shape
Protrude out the end face peripheral region for being formed at first fixed disk with being arranged at intervals, 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 a manner of to be installed on this more
The interval of individual first limiting section;
The actuator can be rotatably mounted to the pedestal, and have 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 the end face of adjacent first cam part;
Second fixed disk has multiple second limiting sections, and the plurality of second limiting section is protruded out and is formed at being annularly arranged at intervals
The end face peripheral region of second fixed disk, the connection that the end face that second fixed disk forms the plurality of second limiting section is fixed should
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 a manner of be installed on the plurality of the
The interval of two limiting sections, and the second cam part of each the plurality of transmission rolling member and the actuator against;
Cover center forms an opening, 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. the first cam part of driving gear as claimed in claim 1, the wherein actuator has two first tops
Point, two first vertex spacings are set to form two protuberances of the first cam part appearance profile, thus, this two the
One summit pushes against multiple transmission rolling members on first fixed disk, first solid relative to this to reach the plurality of transmission rolling member
The radial displacement of price fixing and the outer rim wall for protruding from 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 form this
Two protuberances of wheel portion appearance profile, thus, multiple transmissions that two second summits are pushed against on second fixed disk roll
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.
, should 3. driving gear as claimed in claim 2, the wherein output further have multiple passive rolling members
It is installed on the other end of the transmission block, thus, the plurality of passive rolling member multiple passive rolling members spread configuration annular in shape
Inside lateral margin form the continuous concaveconvex structure of the transmission block inner edge wall, two the first summits of first cam part and this
Multiple transmission rolling members of two the second summits pushing and pressing of two cam parts are resisted against the plurality of passive rolling member.
4. driving gear as claimed in claim 3, the wherein passive rolling member have a sub-assembly, at least a needle roller
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 be a hollow pipe fitting and installation located at the outer rim wall of the needle bearing, 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 both ends are born against between the roll sleeve end face and the transmission block.
5. driving gear as claimed in claim 2, the wherein transmission block of the output have a driving ring wall, the drive
Rotating 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 radially protrudes out to be formed
Multiple spaced inner circular tooths, thus, the plurality of spaced inner circular tooth form the continuous recessed of the transmission block inner edge wall
Multiple transmissions rolling of male structure, two the first summits of first cam part and two the second summits pushing and pressing of second cam part
Moving part is resisted against the plurality of inner circular tooth.
6. the driving gear as described in any one of claim 1 to 5, wherein the power transmission group further have a horse
Reach, a driving gear group, a base bearing and one 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 are installed in the output bearing block.
7. driving gear as claimed in claim 6, the wherein pedestal further have a setting table and at least one set
Post is filled, the setting table, which protrudes out, 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;
The plurality of driven gear is hubbed at the setting table and is engaged in the active tooth post with being arranged at intervals;
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 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, the wherein cover have an assembling lid, a ring wall part and an assembling
Bearing;
The assembling lid be a hollow ring body with formed the cover center opening, and with one 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 in one end inner wall face diameter to protrude out to form a flange, 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, the wherein pedestal further have multiple engaging members and multiple fixed
Position part, the plurality of engaging member and multiple keepers it is interlaced with each other interval setting and be annularly installed on the pedestal formed setting table
End face;
The ring wall part of the cover further has multiple combined holes and multiple positioning holes, the plurality of combined hole and the plurality of positioning 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 engaging member of installation, the plurality of keeper of the corresponding installation of the plurality of positioning hole.
10. the appearance profile of the first cam part of driving gear as claimed in claim 1, the wherein actuator is water
Drop-wise, 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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610826428.0A CN107842584A (en) | 2016-09-18 | 2016-09-18 | Driving gear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610826428.0A CN107842584A (en) | 2016-09-18 | 2016-09-18 | Driving gear |
Publications (1)
Publication Number | Publication Date |
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CN107842584A true CN107842584A (en) | 2018-03-27 |
Family
ID=61656469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610826428.0A Pending CN107842584A (en) | 2016-09-18 | 2016-09-18 | Driving gear |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110864091A (en) * | 2018-08-27 | 2020-03-06 | 金洲科技有限公司 | Push type speed changing device |
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CN206221592U (en) * | 2016-09-18 | 2017-06-06 | 金洲科技有限公司 | Driving gear |
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CN1685163A (en) * | 2002-09-24 | 2005-10-19 | 西利雅德公司 | Bi-directional overrunning clutch for a primary drive axle |
KR20110124681A (en) * | 2010-05-11 | 2011-11-17 | 주식회사 에스비비테크 | Strain wave gearing reducer |
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Application publication date: 20180327 |