CN207333623U - Gear and transmission mechanism - Google Patents
Gear and transmission mechanism Download PDFInfo
- Publication number
- CN207333623U CN207333623U CN201721190172.5U CN201721190172U CN207333623U CN 207333623 U CN207333623 U CN 207333623U CN 201721190172 U CN201721190172 U CN 201721190172U CN 207333623 U CN207333623 U CN 207333623U
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- gear
- wheel hub
- wheel rim
- former
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Abstract
The utility model provides a kind of gear and transmission mechanism, belongs to gear technique field.Gear includes the sequentially connected gear teeth, wheel rim, former and wheel hub, the face on the basis of perpendicular to the face of the rotational axis line of gear, and former is tilted relative to datum level.The gear can deform under load effect, reduce each operating mode engagement magnitude of misalignment and magnitude of misalignment difference, reduce design of gears profiling quantity, so as to ensure that gear teeth face carries, improve the strength of gear teeth and service life.Transmission mechanism includes gear, it has the repertoire of the gear.
Description
Technical field
Gear technique field is the utility model is related to, in particular to a kind of gear and transmission mechanism.
Background technology
Gear refers to have gear continuously to engage the mechanical organ for transmitting movement and power on wheel rim.Gear answering in transmission
With very early there have been.At the end of the 19th century, the principle of cutting method and the phase of special purpose machine tool and cutter using this principle cutting are transformed into
After appearance, with the development of production, the stationarity of gear operation is taken seriously.
Inventor has found that traditional gear at least has the following disadvantages under study for action：
If stand under load backgear engagement magnitude of misalignment is very big, then the profiling quantity of correction of the flank shape needed for gear can be bigger, at present tooth
Wheel correction of the flank shape realizes that excessive grinding modification amount adds the roll flute time, easily forms grinding in tooth root by roll flute
Boss and reduce tooth face hardness；
If the operating mode that gear uses is changeable, for example, heavy-duty vehicle travelling gear use include start, climbing, turn,
The various workings such as straight trip, the engagement magnitude of misalignment difference of each operating mode gear is larger, and correction of the flank shape can only often be directed to one of which work
The magnitude of misalignment that condition produces is designed, therefore cannot be guaranteed that every kind of operating mode flank of tooth can be carried.
Utility model content
The purpose of this utility model is to provide a kind of gear, improves the deficiencies in the prior art, it can make in load
With lower deformation, reduce each operating mode engagement magnitude of misalignment and magnitude of misalignment difference, design of gears profiling quantity is reduced, so as to ensure gear teeth
Face carries, and improves the strength of gear teeth and service life.
The another object of the utility model is the provision of a kind of transmission mechanism, it includes gear mentioned above, it has
There is the repertoire of the gear.
What the embodiment of the utility model was realized in：
The embodiment of the utility model provides a kind of gear, it includes the sequentially connected gear teeth, wheel rim, former and wheel
Hub, the face on the basis of perpendicular to the face of the rotational axis line of the gear, the former are tilted relative to the datum level；
The former has opposite the first side and the second side, and the distance between first side and second side are c,
The c is more than 0.1b and is less than 0.2b, and the b is the facewidth of the gear teeth；
First side includes from the wheel rim to sequentially connected first, second on the direction of the wheel hub and the
Three, described second is plane, and second angle between the datum level is a, and a is more than 10 ° and is less than
20°。
Specifically, the gear can deform under load effect, reduce each operating mode engagement magnitude of misalignment and magnitude of misalignment difference,
Design of gears profiling quantity is reduced, so as to ensure that gear teeth face carries, improves the strength of gear teeth and service life.
Optionally, described first include from the wheel rim to sequentially connected first sub-portion on the direction of the wheel hub and
Second sub-portion, first sub-portion are plane, and second sub-portion is arc surface, first sub-portion and the second sub-portion phase
Cut, second sub-portion and described second it is tangent.
Optionally, described 3rd include from the wheel rim to sequentially connected 3rd sub-portion on the direction of the wheel hub and
4th sub-portion, the 3rd sub-portion are arc surface, and the 4th sub-portion is plane, the 3rd sub-portion and the 4th sub-portion phase
Cut, the 3rd sub-portion and it is described second it is tangent.
Optionally, second side include from the wheel rim to sequentially connected 4th on the direction of the wheel hub, the
Five and the 6th, described 5th is plane, and the 5th angle between the datum level is d, and the d is more than
10 ° and less than 20 °.
Optionally, described 4th include from the wheel rim to sequentially connected 5th sub-portion on the direction of the wheel hub and
6th sub-portion, the 5th sub-portion are plane, and the 6th sub-portion is arc surface, the 5th sub-portion and the 6th sub-portion phase
Cut, the 6th sub-portion and described 5th it is tangent.
Optionally, described 6th include from the wheel rim to sequentially connected 7th sub-portion on the direction of the wheel hub and
8th sub-portion, the 7th sub-portion are arc surface, and the 8th sub-portion is plane, the 7th sub-portion and the 8th sub-portion phase
Cut, the 7th sub-portion and described 5th it is tangent.
Optionally, the plane where the wheel rim end face and the plane where the wheel hub end face are parallel and misaligned.
Optionally, the former is provided with multiple sets of vias, and each sets of vias includes multiple through holes, the through hole
It is open arc-shaped, multiple through holes in each sets of vias are from the wheel hub to dividing successively on the direction of the wheel rim
Cloth, each the central angle corresponding to multiple through holes in the sets of vias is identical, multiple institutes in each sets of vias
Through hole is stated on from the wheel hub to the direction of the wheel rim, the width of the through hole is gradually reduced, in each sets of vias
In, it is more than the through hole of the close wheel hub and the wheel hub close to the through hole of the wheel rim and the spacing of the wheel rim
Spacing.
Optionally, the gear further includes the first detection piece and the second detection piece, one end of first detection piece and institute
Former connection is stated, the other end of first detection piece is located in the through hole, and the other end of first detection piece has ball
First test section of shape, one end of second detection piece are connected with the former, and the other end of second detection piece is located at
In the through hole, the other end of second detection piece has the second spherical test section, first test section and described the
Two test sections contact.
The embodiment of the utility model additionally provides a kind of transmission mechanism, it includes gear mentioned above, it has should
The repertoire of gear.
Compared with prior art, the beneficial effect of the utility model embodiment is：
In conclusion the gear can deform under load effect, it is poor to reduce each operating mode engagement magnitude of misalignment and magnitude of misalignment
Value, reduces design of gears profiling quantity, so as to ensure that gear teeth face carries, improves the strength of gear teeth and service life.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram for the gear that the utility model embodiment 1 provides；
Fig. 2 is the schematic cross-sectional view of Section X-X in Fig. 1；
Fig. 3 is the structure diagram for the gear that the utility model embodiment 2 provides；
Fig. 4 is the structure diagram for the former that the utility model embodiment 2 provides.
Icon：100- gears；101- rotational axis lines；102- datum levels；The first sides of 103-；The second sides of 104-；10- takes turns
Tooth；20- wheel rims；30- formers；301- through holes；The first detection pieces of 302-；The first test sections of 303-；The second detection pieces of 304-；305-
Second test section；31- first；The first sub-portions of 311-；The second sub-portions of 312-；32- second；33- the 3rd；Of 331- the 3rd
Portion；The 4th sub-portions of 332-；34- the 4th；The 5th sub-portions of 341-；The 6th sub-portions of 342-；35- the 5th；36- the 6th；361-
7th sub-portion；The 8th sub-portions of 362-；40- wheel hubs.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation, the instruction such as term " on ", " under ", "left", "right", " interior " in the description of the utility model
Orientation or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product use when it is usual
The orientation or position relationship put, are for only for ease of description the utility model and simplify description, rather than indicate or imply institute
The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality
With new limitation.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Embodiment 1
Please refer to Fig.1 and Fig. 2, present embodiments provide a kind of gear 100, it includes the sequentially connected gear teeth 10, wheel rim
20th, former 30 and wheel hub 40, the face 102 on the basis of perpendicular to the face of the rotational axis line 101 of gear 100, former 30 relative to
Datum level 102 tilts.
The gear teeth 10, wheel rim 20, former 30 are fixedly connected or are integrally formed with wheel hub 40.
30 relative tilt of former is set, and for the gear 100 under load effect, its former 30 can produce deformation so as to have
Certain flexibility.
Gear 100 engage stand under load when, former 30 can stress deformation, reduce gear 100 engagement magnitude of misalignment, so as to reduce
The profiling quantity that gear 100 designs, since the deflection of flexible former 30 is related with operating loading size, i.e., load is bigger, engagement
The magnitude of misalignment of generation is bigger, and the deflection of flexible former 30 is also bigger at this time, and the gear 100 that 30 deflection of former can reduce is nibbled
It is also bigger to close magnitude of misalignment, therefore the engagement magnitude of misalignment difference of each operating mode lower gear 100 diminishes, by being engaged for gear 100
Magnitude of misalignment correction of the flank shape can ensure that the flank of tooth of meshing gear 100 under each operating mode is all realized and carry, thus improve gear 100 intensity and
Reliability.
Optionally, former 30 has opposite the first side 103 and the second side 104, between the first side 103 and the second side 104
Distance be c, c is more than 0.1b and is less than 0.2b, b for the gear teeth 10 the facewidth.
By setting the former 30 of the size, on the premise of ensureing that it has flexibility, it can preferably realize that power passes
Pass.
When it is implemented, c can select 0.1b to any number between 0.2b, its can be 0.11b, 0.12b,
0.13b, 0.14b, 0.15b, 0.16b, 0.17b, 0.18b, 0.19b etc..
Optionally, the first side 103 is included from wheel rim 20 to sequentially connected first 31, second on the direction of wheel hub 40
32 and the 3rd 33, second 32 is plane, and the angle between second 32 and datum level 102 is a, and a is more than 10 ° and is less than
20°。
When it is implemented, any number between 10 ° to 20 ° can be selected, it can be 11 °, 12 °, 13 °, 14 °,
15 °, 16 °, 17 °, 18 °, 19 ° etc..
Schematic cross-sectional view shown in Fig. 2 with reference to Fig. 2, that is to say, that shown in Fig. 2 second it is 32 linear.
Optionally, include for first 31 from wheel rim 20 to sequentially connected first sub-portion 311 on the direction of wheel hub 40 and the
Two sub-portions 312, the first sub-portion 311 are plane, and the second sub-portion 312 is arc surface, and the first sub-portion 311 and the second sub-portion 312 are tangent,
Second sub-portion 312 and second it is 32 tangent.
It is schematic cross-sectional view shown in Fig. 2 with reference to Fig. 2, also just says that the first sub-portion 311 is linearly shown in Fig. 2, the
Two sub-portions 312 are in circular arc.
First sub-portion 311 and the second sub-portion 312 are tangential on both junctions, the second sub-portion 312 and second it is 32 tangent
In both junctions, realization seamlessly transits.It is overall easily manufactured, stress concentration is avoided, it is highly practical.
Optionally, include for the 3rd 33 from wheel rim 20 to sequentially connected 3rd sub-portion 331 on the direction of wheel hub 40 and the
Four sub-portions 332, the 3rd sub-portion 331 are arc surface, and the 4th sub-portion 332 is plane, and the 3rd sub-portion 331 and the 4th sub-portion 332 are tangent,
3rd sub-portion 331 and second it is 32 tangent.
Similarly, the 3rd sub-portion 331 shown in Fig. 2 is in circular arc, and the 4th sub-portion 332 is linear.
3rd sub-portion 331 and the 4th sub-portion 332 are tangential on both junctions, the 3rd sub-portion 331 and second it is 32 tangent
In both junctions, realization seamlessly transits.It is overall easily manufactured, stress concentration is avoided, it is highly practical.
Optionally, the second side 104 is included from wheel rim 20 to sequentially connected 4th 34, the 5th on the direction of wheel hub 40
35 and the 6th 36, the 5th 35 is plane, and the 5th angle between 35 and datum level 102 is d, and d is more than 10 ° and is less than
20°。
Similarly, shown in Fig. 2 the 5th it is 35 linear.When it is implemented, d can select it is any between 10 ° to 20 °
Numerical value, it can be 11 °, 12 °, 13 °, 14 °, 15 °, 16 °, 17 °, 18 °, 19 ° etc..
The distance between first side 103 and the second side 104 are c, it is understood that between second 32 and the 5th 35
Distance be c.
Of course, when second 32 with the 5th 35 it is parallel when, c is spacing between the two.
Second 32 and during the 5th 35 relative tilt, which can be understood as beeline between the two.
Optionally, include for the 4th 34 from wheel rim 20 to sequentially connected 5th sub-portion 341 on the direction of wheel hub 40 and the
Six sub-portions 342, the 5th sub-portion 341 are plane, and the 6th sub-portion 342 is arc surface, and the 5th sub-portion 341 and the 6th sub-portion 342 are tangent,
6th sub-portion 342 and the 5th it is 35 tangent.
Similarly, linearly, the 6th sub-portion 342 is in circular arc to the 5th sub-portion 341 shown in Fig. 2.
5th sub-portion 341 and the 6th sub-portion 342 are tangential on both junctions, the 6th sub-portion 342 and the 5th it is 35 tangent
In both junctions.
Optionally, include for the 6th 36 from wheel rim 20 to sequentially connected 7th sub-portion 361 on the direction of wheel hub 40 and the
Eight sub-portions 362, the 7th sub-portion 361 are arc surface, and the 8th sub-portion 362 is plane, and the 7th sub-portion 361 and the 8th sub-portion 362 are tangent,
7th sub-portion 361 and the 5th it is 35 tangent.
Similarly, the 7th sub-portion 361 shown in Fig. 2 is in circular arc, and the 8th sub-portion 362 is linear.
7th sub-portion 361 and the 8th sub-portion 362 are tangential on both junctions, and the 5th 35 tangent with the 7th sub-portion 361
In both junctions.
Optionally, the plane where 20 end face of wheel rim and the plane where 40 end face of wheel hub are parallel and misaligned.
With reference to Fig. 2, it is described with the relative position in Fig. 2, where the plane and 40 end face of wheel hub where 20 end face of wheel rim
Both planes it is parallel and misaligned.It can be understood as 40 relative misalignment of wheel rim 20 and wheel hub, 20 phase of wheel rim shown in Fig. 2
A certain distance for the displacement to the right of wheel hub 40.
The gear 100 selected in the present embodiment, its structure can be understood as complete unsymmetric structure, base shown in Fig. 2
It can be appreciated that the axis of symmetry of the gear teeth 10, the structure at left and right sides of it is completely different in quasi- face 102, and such design can
Effectively to realize the flexibility of former 30, and it is durable.
Need exist for explaining, datum level 102, rotational axis line 101 and axis of symmetry etc., are for preferably retouching
The introduced virtual lines of the structure of gear 100 are stated, are not the structure of of gear 100 itself.
Attached drawing embodiment：
With reference to Fig. 1, gear 100 includes the sequentially connected gear teeth 10, wheel rim 20, former 30 and wheel hub 40.
With reference to Fig. 2, the gear teeth 10 and wheel rim 20 are set with 40 relative misalignment of wheel hub as a whole, the end face of wheel hub 40 and wheel rim
20 end face is parallel and misaligned.
Former 30 has opposite the first side 103 and the second side 104.
First side 103 is included from wheel rim 20 to sequentially connected first sub-portion 311, the second sub-portion on the direction of wheel hub 40
312nd, second the 32, the 3rd sub-portion 331 and the 4th sub-portion 332.
First sub-portion 311 is connected with the end face of wheel rim 20, and the first sub-portion 311 is plane, the first sub-portion 311 and datum level
102 relative tilts.
Second sub-portion 312 and the first sub-portion 311 connect, and the second sub-portion 312 is arc surface, both are tangential on both connections
Place.
It is connected with the second sub-portion 312 for second 32, second 32 is plane, both are tangential on both junctions.Second
Portion 32 and 102 relative tilt of datum level.
3rd sub-portion 331 and second 32 connection, the 3rd sub-portion 331 is arc surface, both are tangential on both junctions.
4th sub-portion 332 and the 3rd sub-portion 331 connect, and the 4th sub-portion 332 is plane, both are tangential on both connections
Place.
4th sub-portion 332 is connected with the end face of wheel hub 40, the 4th sub-portion 332 and 102 Relative vertical of datum level.
Second side 104 is included from wheel rim 20 to sequentially connected 5th sub-portion 341, the 6th sub-portion on the direction of wheel hub 40
342nd, the 5th the 35, the 7th sub-portion 361 and the 8th sub-portion 362.
5th sub-portion 341 is connected with the end face of wheel rim 20, and the 5th sub-portion 341 is plane, the 5th sub-portion 341 and datum level
102 relative tilts.
6th sub-portion 342 is connected with the 5th sub-portion 341, and the 6th sub-portion 342 is arc surface, the 5th sub-portion 341 and the 6th son
Portion 342 is tangential on both junctions.
It is connected with the 6th sub-portion 342 for 5th 35, the 5th 35 is plane, and the 5th 35 is tangential on the 6th sub-portion 342
Both junctions, the 5th 35 tilts relative to datum level 102.
7th sub-portion 361 and the 5th 35 connection, the 7th sub-portion 361 is arc surface, the 7th sub-portion 361 and the 5th 35 phases
It is cut in both junctions.
8th sub-portion 362 and the 7th sub-portion 361 connect, and the 8th sub-portion 362 is plane, the 7th sub-portion 361 and the 8th sub-portion
362 are tangential on both junctions.
8th sub-portion 362 is connected with the end face of wheel hub 40, and the 8th sub-portion 362 is vertical relative to datum level 102.
Angle of inclination and fiveth sub-portion 341 inclining relative to datum level 102 of first sub-portion 311 relative to datum level 102
Rake angle etc., and the width that the width that extends internally of the first sub-portion 311 and the 5th sub-portion 341 extend internally differs.
Second sub-portion, 312 342 corresponding arc length of corresponding arc length and the 6th sub-portion differs, and the second sub-portion 312 is corresponding
Radius is differed with 342 corresponding radius of the 6th sub-portion.
Second 32 angle of inclination relative to datum level 102 and the 5th 35 angle of inclination relative to datum level 102
Differ, and second 32 corresponding length and the 5th 35 corresponding length differ.
3rd sub-portion, 331 361 corresponding arc length of corresponding arc length and the 7th sub-portion differs, and the 3rd sub-portion 331 is corresponding
Radius and 361 corresponding radius of the 7th sub-portion differ.
4th sub-portion, 332 362 corresponding length of corresponding length and the 8th sub-portion differs.
A kind of gear 100 provided according to the utility model embodiment, the operation principle of gear 100 are：
Set by 30 relative tilt of former, control the thickness of former 30, pass through the control to 30 each spot size of former
System, makes it have certain flexibility, and can realize the function that gear 100 carries in itself.
Embodiment 2
Please refer to Fig.3, the present embodiment also provides a kind of gear 100, and the technical solution that embodiment 1 describes is equally applicable to
The present embodiment, 1 published technical solution of embodiment are not repeated to describe.
Specifically, the present embodiment is with embodiment 1, difference lies in former 30 is provided with multiple sets of vias, each sets of vias
Including multiple through holes 301, the opening of through hole 301 is arc-shaped, and multiple through holes 301 in each sets of vias are from wheel hub 40 to wheel rim
It is sequentially distributed on 20 direction, the central angle corresponding to multiple through holes 301 in each sets of vias is identical, in each sets of vias
On from wheel hub 40 to the direction of wheel rim 20, the width of through hole 301 is gradually reduced multiple through holes 301, in each sets of vias, is leaned on
The through hole 301 of nearly wheel rim 20 is more than the spacing of the through hole 301 and wheel hub 40 close to wheel hub 40 with the spacing of wheel rim 20.
With reference to Fig. 3, the gear 100 in the present embodiment has four sets of vias, and each sets of vias includes three through holes
301, when it is implemented, the quantity of sets of vias can be two, three, five or more.
301 quantity of through hole in each sets of vias can also be two, four, five or more.
301 quantity of through hole in the present embodiment in each sets of vias is identical, of courses, can not also phase in other embodiment
Together.
The setting of through hole 301, after gear 100 bears radial load, due to there is the presence of through hole 301, its can play compared with
Good cushioning effect, after larger radial load is born, the narrowed width of through hole 301, to aid in former 30 to produce small shape
Become, overall using effect is preferable.
Please refer to Fig.4, optionally, gear 100 further includes the first detection piece 302 and the second detection piece 304, the first detection piece
302 one end is connected with former 30, and the other end of the first detection piece 302 is located in through hole 301, the first detection piece 302 it is another
End there is the first spherical test section 303, one end of the second detection piece 304 is connected with former 30, the second detection piece 304 it is another
In the through hole 301, the other end of the second detection piece 304 has the second spherical test section 305 at end, the first test section 303 and
Second test section 305 contacts.
First detection piece 302 and the second detection piece 304 can be being fixedly connected with former 30 or be integrally formed
's.
In the case that gear 100 is from radial load, the first test section 303 is contacted with the second test section 305, works as gear
After 100 bear larger radial load, the narrowed width of through hole 301, then necessarily cause 302 relatively close second inspection of the first detection piece
Part 304 is surveyed, in the process, the first test section 303 and the second test section 305 produce friction, and friction necessarily leads to polishing scratch, uses
Person can intuitively find out whether the gear 100 once bore larger radial load by observing polishing scratch, so that former 30
Produced larger deformation.User can be according to the first test section 303 of gear 100 and the abrasion feelings of the second test section 305
Condition, it is determined whether need replacing new gear 100.
Embodiment 3
The present embodiment also provides a kind of transmission mechanism, it includes gear 100 mentioned above, it has the gear 100
Repertoire.
The structure of gear 100 may be referred to embodiment 1 or 2.
The transmission mechanism can select a gear 100 mentioned above, two or more can also be selected above-mentioned
The gear 100 mentioned.
In the case that the transmission mechanism is in heavy duty, applying working condition is changeable, coupling gear engagement magnitude of misalignment is larger, have preferable
Using effect.
In conclusion the utility model provides a kind of gear 100, which can deform under load effect, subtract
Small each operating mode engagement magnitude of misalignment and magnitude of misalignment difference, reduce gear 100 and design profiling quantity, so as to ensure that 100 flank of tooth of gear is equal
Carry, improve 100 intensity of gear and service life.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of gear, it is characterised in that including the sequentially connected gear teeth, wheel rim, former and wheel hub, with perpendicular to the gear
Rotational axis line face on the basis of face, the former tilts relative to the datum level；
The former has opposite the first side and the second side, and the distance between first side and second side are c, described
C is more than 0.1b and is less than 0.2b, and the b is the facewidth of the gear teeth；
First side is included from the wheel rim to sequentially connected first, second and the 3rd on the direction of the wheel hub
Portion, described second is plane, and second angle between the datum level is a, and a is more than 10 ° and is less than
20°。
2. gear according to claim 1, it is characterised in that described first is included from the wheel rim to the wheel hub
Sequentially connected first sub-portion and the second sub-portion on direction, first sub-portion are plane, and second sub-portion is arc surface, institute
State the first sub-portion and second sub-portion be tangent, second sub-portion and described second it is tangent.
3. gear according to claim 1, it is characterised in that described 3rd is included from the wheel rim to the wheel hub
Sequentially connected 3rd sub-portion and the 4th sub-portion, the 3rd sub-portion are arc surface on direction, and the 4th sub-portion is plane, institute
State the 3rd sub-portion and the 4th sub-portion be tangent, the 3rd sub-portion and it is described second it is tangent.
4. according to claim 1-3 any one of them gears, it is characterised in that second side is included from the wheel rim to institute
Sequentially connected 4th, the 5th and the 6th on the direction of wheel hub are stated, described 5th is plane, described 5th and institute
It is d to state the angle between datum level, and the d is more than 10 ° and less than 20 °.
5. gear according to claim 4, it is characterised in that described 4th is included from the wheel rim to the wheel hub
Sequentially connected 5th sub-portion and the 6th sub-portion, the 5th sub-portion are plane on direction, and the 6th sub-portion is arc surface, institute
State the 5th sub-portion and the 6th sub-portion be tangent, the 6th sub-portion and described 5th it is tangent.
6. gear according to claim 4, it is characterised in that described 6th is included from the wheel rim to the wheel hub
Sequentially connected 7th sub-portion and the 8th sub-portion, the 7th sub-portion are arc surface on direction, and the 8th sub-portion is plane, institute
State the 7th sub-portion and the 8th sub-portion be tangent, the 7th sub-portion and described 5th it is tangent.
7. according to claim 1-3 any one of them gears, it is characterised in that plane where the wheel rim end face and described
Plane where wheel hub end face is parallel and misaligned.
8. according to claim 1-3 any one of them gears, it is characterised in that the former is provided with multiple sets of vias, often
A sets of vias includes multiple through holes, and the opening of the through hole is arc-shaped, multiple through holes in each sets of vias
From the wheel hub to being sequentially distributed on the direction of the wheel rim, corresponding to multiple through holes in each sets of vias
Central angle is identical, and multiple through holes in each sets of vias are described on from the wheel hub to the direction of the wheel rim
The width of through hole is gradually reduced, in each sets of vias, close to the spacing of the through hole and the wheel rim of the wheel rim
More than the spacing of the through hole close to the wheel hub and the wheel hub.
9. gear according to claim 8, it is characterised in that the gear further includes the first detection piece and the second detection
Part, one end of first detection piece are connected with the former, and the other end of first detection piece is located in the through hole, institute
The other end for stating the first detection piece has the first spherical test section, and one end of second detection piece is connected with the former,
The other end of second detection piece is located in the through hole, and the other end of second detection piece has the second spherical detection
Portion, first test section are contacted with second test section.
10. a kind of transmission mechanism, it is characterised in that including claim 1-9 any one of them gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190172.5U CN207333623U (en) | 2017-09-15 | 2017-09-15 | Gear and transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190172.5U CN207333623U (en) | 2017-09-15 | 2017-09-15 | Gear and transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333623U true CN207333623U (en) | 2018-05-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721190172.5U Withdrawn - After Issue CN207333623U (en) | 2017-09-15 | 2017-09-15 | Gear and transmission mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559405A (en) * | 2017-09-15 | 2018-01-09 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gear and transmission mechanism |
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2017
- 2017-09-15 CN CN201721190172.5U patent/CN207333623U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559405A (en) * | 2017-09-15 | 2018-01-09 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gear and transmission mechanism |
| CN107559405B (en) * | 2017-09-15 | 2019-07-19 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gear and transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180508 Effective date of abandoning: 20190719 |
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| AV01 | Patent right actively abandoned |