CN107725618A - Output shaft, reductor and the motor with reductor - Google Patents
Output shaft, reductor and the motor with reductor Download PDFInfo
- Publication number
- CN107725618A CN107725618A CN201710969996.0A CN201710969996A CN107725618A CN 107725618 A CN107725618 A CN 107725618A CN 201710969996 A CN201710969996 A CN 201710969996A CN 107725618 A CN107725618 A CN 107725618A
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- China
- Prior art keywords
- output shaft
- output block
- output
- axle portion
- recesses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
-
- 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
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/039—Gearboxes for accommodating worm gears
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02082—Gearboxes for particular applications for application in vehicles other than propelling, e.g. adjustment of parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The present invention provides a kind of new output shaft of the intensity desired by realize.Output shaft (13) has axle portion part (40) and is fixed in the output block of the axle portion part.Axle portion part (40) has the sawtooth portion (41) being made up of the circumferentially alternating tooth crest (41a) and root portion for arranging and axially extending, and multiple 1st convex portions (40d) formed in the 1st end of ring-type intersecting axially across interval ring-type.Output block has multiple grooves (42d) for being axially extended in a manner of engage with sawtooth portion (41), and with the 1st end face relative to the 2nd end face on across the multiple second recesses for being formed and being formed in a manner of engaging with multiple 1st convex portions (40d) with being spaced ring-type.
Description
Technical field
The present invention relates to the output shaft used in reductor.
Background technology
Conventionally, there is known it is used for the motor with reductor of the power window apparatus of the vehicles such as automobile.As such
Motor with reductor, for example, it is known have to possess the motor body of rotation driving is carried out to rotary shaft and with making rotary shaft
The construction of the reduction part as rotary actuator of the turbine and worm mechanism of rotational deceleration.Also, the reduction part as,
There is worm gear via the joining construction of buffer gear and output shaft (with reference to patent document 1).
In addition, as output shaft, design in scheme of the one end of its axle portion formed with gear part.Also, output shaft
Gear part be engaged in lift (regulator) gear part, be attached to vehicle glazing (with reference to patent document via lift
2)。
[citation]
[patent document]
No. 5662131 publications of [patent document 1] Japanese Patent No.
No. 5134985 publications of [patent document 2] Japanese Patent No..
The content of the invention
(inventing problem to be solved)
As above-mentioned output shaft, consider the scheme that can have axle portion and the integrally formed processing of gear part, and axle portion with
The scheme that gear part is assembled as single part.
However, when the shape of output shaft is more complicated, it may be difficult to make axle portion and the integrally formed processing of gear part, process can become
Must be complicated, therefore the increase of manufacturing cost can be caused.On the other hand, if making axle portion and gear part as single part, by them
Making output shaft is assembled, then when gear part bears excessive power, the fitting portion of gear part and axle portion is it some times happens that become
Shape etc., the space of improvement be present.
The present invention be in view of such situation and research and develop, its object is to provide a kind of the new of the intensity desired by realize
The output shaft of type.
(means for solving the problems)
To solve above-mentioned problem, the output shaft of a scheme of the invention is used to the output shaft of reductor, has axle portion
Part and the output block for being fixed in the axle portion part.Axle portion part has by the circumferentially alternating tooth crest for arranging and axially extending
The sawtooth portion formed with root portion, and be separated with the 1st end of ring-type intersecting axially compartment of terrain annularly formed it is more
Individual 1st convex portion or multiple 1st recesses.Output block includes：The multiple grooves axially extended in a manner of engaging with sawtooth portion；
2nd end face relative with the 1st end face is separated with compartment of terrain and annularly formed and to engage with multiple 1st convex portions or multiple 1st recesses
It is square into multiple second recesses or multiple 2nd convex portions.
According to the program, not only the sawtooth portion of axle portion part and the groove of output block fasten, in the 1st end face ring of axle portion part
Multiple 1st convex portions for being formed or multiple 1st recesses multiple 2 recessed with annularly being formed in the 2nd end face of output block shape
The torsional strength of output shaft after portion or multiple 2nd convex portions also engage, therefore output block is integrally formed with axle portion part is improved.
Axle portion part can have part 1 and with the consecutive part 2 of the part 1.Can be：Output block is consolidated
It is scheduled on part 1；Sawtooth portion is formed on the peripheral part of part 1；1st end face is the jump between part 1 and part 2；
Output block includes：The hole entered for part 1 formed at the center of the output block, formed in peripheral part multiple
Tooth, and multiple grooves of the inner circumferential formation in hole.
Or axle portion part can have part 1 and with the consecutive part 2 of the part 1.Can be：Output section
Part is fixed on part 1；Sawtooth portion is formed on the inner peripheral portion of part 1；1st end face is part 1 and output block
The face to connect；Output block is included in the entrance portion into part 1 formed at the center of the output block, and into portion
Periphery formed multiple grooves.
Output block can form groove between the center in hole and tooth.Thus, the output section formed caused by groove can be reduced
The change of the radial thickness of part.
Axle portion part can have multiple 1st convex portions.Output block can have multiple second recesses.Output block can be
Second recesses are formed between the center in hole and tooth.Thus, second recesses can be formed in the thicker region of geared parts, therefore can reduced
Intensity declines caused by forming recess.
Axle portion part can form the tooth crest in sawtooth portion between the axis center of part 1 and the 1st convex portion.
Output block can form the 2nd convex portion between the tooth root of the center in hole and heel between cog.Thus, can be in output section
The relatively thin region of part forms the 2nd convex portion, therefore can improve the intensity near tooth root.
Part 1 can have the engaging portion that the leading section protruded from the hole of output block has deformed.Thus, axle can be caused
Part does not come off from output block.
Axle portion part and output block can be made up of sintering metal.Thus, the high output shaft of Making mold intensity can be used.This
Outside, by the way that the sintering metal of suitable grade is respectively adopted for axle portion part and output block, the free degree of manufacture can be increased, subtracted
Low cost.
Output block can be by the part of carburizing and quenching.Thus, the strong of the tooth that is applied larger power can more be improved
Degree.
Sawtooth portion can be that the quantity of tooth crest is the integral multiple of the quantity of tooth.Thus, energy abirritation exports in composition
The stress of the output block of axle.
Another program of the present invention is also output shaft.The output shaft is used to the output shaft of reductor, including：With the 1st
Part and the axle portion part with the consecutive part 2 of the part 1；It is fixed on the output block of the part 1 of axle portion part.It is defeated
Go out part have at the center of the output block formed, for part 1 enter and make the front end of the part 1 outstanding
Hole.On axle portion part, in the state of outstanding from the hole of output block in the front end of part 1, front end is fixed in output section
Part, and part 1 is mutually fixed with the region near the border of part 2 with output block.
According to the program, even if the part 1 of axle portion part is not by the integrally press-in throughout the hole of output block, axle portion
Part also at least interfixes with output block at 2, so as to cause axle portion part can not be come off from output block.
Axle portion part, which can be configured, to be caused in the state of mutually being fixed with output block, on the front end of part 1 and border
Between neighbouring region, gap is formed with output block.Thus, can reduce required when assembling axle portion part and output block
Power, the deformation or fracture of energy suppression component, and productivity can be improved.
Axle portion part can have is separated with interval on the 1st end face of the ring-type as the jump between part 1 and part 2
Multiple 1st convex portions or multiple 1st recesses that ground is annularly formed.Output block can have at 2nd end relative with the 1st end face
Compartment of terrain annularly forms and formed in a manner of engaging with multiple 1st convex portions or multiple 1st recesses multiple are separated with face
2 recesses or multiple 2nd convex portions.Multiple 1st convex portions or multiple 1st recesses can be by phases with multiple second recesses or multiple 2nd convex portions
Mutually press-in.
The invention adopt another scheme that reductor.The reductor includes：Worm screw for the rotation of driving motor；With worm screw
The worm gear being meshed；Engaged with driven member, drive the output shaft of the driven member；By the rotary drive of worm gear to output
The transmission mechanism of axle；And house the housing of worm gear.
According to the program, it can provide a kind of output shaft intensity high reductor.
Another scheme of the present invention is the motor with reductor.The motor with reductor have motor and with motor
The joining reductor of axle.
By the program, it can provide a kind of intensity of output shaft the high motor with reductor.
In addition, by being combined of above inscape, the present invention the form of expression between method, apparatus, system etc.
Embodiment after conversion, as the solution of the present invention and effectively.
(invention effect)
By the present invention, a kind of new output shaft that desired intensity can be achieved can be provided.
Brief description of the drawings
Fig. 1 is the front view of the output gear side of the motor with reductor of the 1st embodiment.
Fig. 2 is the figure of the schematic configuration for the power-operated window system for representing the 1st embodiment.
Fig. 3 is the enlarged view of the fastening state for the output shaft and driven member for representing the 1st embodiment.
Fig. 4 (a) is the stereogram of the output shaft of the 1st embodiment；Fig. 4 (b) be from Fig. 4 (a) different directions
From the point of view of the 1st embodiment output shaft stereogram.
Fig. 5 is the front view of the axle portion part for the output shaft for forming the 1st embodiment.
Fig. 6 is from the upward view in terms of X1 directions during axle portion part shown in Fig. 5.
Fig. 7 is the A-A ' partial sectional views of the axle portion part shown in Fig. 6.
Fig. 8 is the top view from the axle portion part in terms of X2 directions shown in Fig. 5.
Fig. 9 is the enlarged view of the B-B sections of the axle portion part shown in Fig. 8.
Figure 10 is the front view of the geared parts for the output shaft for forming the 1st embodiment.
Figure 11 is the A-O-B sectional views of the geared parts shown in Figure 10.
Figure 12 is the rearview of the geared parts for the output shaft for forming the 1st embodiment.
Figure 13 is the enlarged view of the C-C sections of the geared parts shown in Figure 12.
Figure 14 is the top view of the output shaft of the 1st embodiment.
Figure 15 is the A-A sectional views of the output shaft shown in Figure 14.
Figure 16 is for illustrating the 1st convex portion of axle portion part and the schematic diagram of the engaging of the second recesses of geared parts.
Figure 17 is for illustrating the 1st convex portion of variation and the schematic diagram of the engaging of second recesses.
Figure 18 is the front view of the geared parts of the 2nd embodiment.
Figure 19 is the amplification stereogram near the hole of geared parts.
Figure 20 is the exploded perspective view of the output shaft of the 3rd embodiment.
Figure 21 is the exploded perspective view from the output shaft of the 3rd embodiment in terms of the direction different from Figure 20.
Figure 22 is the front view of the output panel for the output shaft for forming the 3rd embodiment.
Figure 23 is the D-D sectional views of the output panel shown in Figure 22.
Figure 24 is the rearview of the output panel for the output shaft for forming the 3rd embodiment.
Figure 25 is the enlarged view of the E-E sections of the output panel shown in Figure 24.
Figure 26 (a) is the schematic diagram of the output shaft of the 4th embodiment, and Figure 26 (b) is the variation of the 4th embodiment
Output shaft signal.
Figure 27 is the schematic diagram of the output shaft of the 5th embodiment.
(label declaration)
10 motor section, 12 reductors, 13 output shafts, 14 gear-boxes, 40 axle portion parts, 40a minor diameter parts, 40b large-diameter portions, 40c
1st end face, the convex portions of 40d the 1st, 40e grooves, 40f engaging portions, the convex portions of 40g the 1st, 40h juts, 41 sawtooth portions, 41a tooth crest,
41b root portions, 42 geared parts, 42a holes, 42b peripheral parts, 42c teeth, 42d grooves, the end faces of 42e the 2nd, 42f second recesses, 42h the 2nd
Convex portion, 42j tooth roots, 100 motors with reductor.
Embodiment
Illustrate the details of the embodiment for implementing the present invention referring to the drawings.In the explanation of accompanying drawing
In, identical label is marked to identical key element, and suitably the repetitive description thereof will be omitted.In addition, composition as described below only exemplified by
Show, certain restriction is not imposed to the scope of the present invention.
[the 1st embodiment]
(motor with reductor)
The motor with reductor of 1st embodiment is, for example, the motor suitable for the power-operated window system of vehicle.Fig. 1 is
The front view of the output gear side of the motor with reductor of 1st embodiment.Motor 100 with reductor includes motor section 10
With the reductor 12 of the axle that is connected in motor section 10.
Reductor 12 includes the worm screw (not shown) of the rotation for driving motor, (not schemed with the worm gear of worm engaging
Show), engage to drive the output shaft 13 of the driven member, the biography by the rotary drive of worm gear to output shaft with driven member
Motivation structure (not shown) and the gear-box 14 as the housing for housing worm gear.
(power-operated window system)
Fig. 2 is the figure of the schematic configuration for the power-operated window system for representing the 1st embodiment.Fig. 3 is to represent the 1st embodiment
Output shaft and driven member fastening state enlarged view.As shown in Fig. 2 Vehicular electric window system 200 has
There is the motor 100 with reductor and intersect arm-type lift 110.
Lift 110 by be fixed in the metal bearing 22 of the inner panel 20 of car door 18, via pivot 24 rotationally
The lifting arm 26 that is connected in bearing 22, the sector gear 28 for being integratedly engaged in lifting arm 26, it is rotatably coupled to lifting arm
26 counter-jib 30, guide counter-jib 30 bottom movement balance bracket 32, guide the upper end of lifting arm 26 and flat
The lifting arm support 34 of the movement of the upper end of weighing apparatus arm 30 is formed.In addition, it is provided with lifting arm support 34 as open-close body
Glass for vehicle window 36.
As shown in figure 1, the installation portion 38 of multiple drums is formed with gear-box 14, by penetrating bearing 22
Multiple screws (not shown) are anchored on these installation portions 38, and gear-box 14 is fixed on bearing 22.That is, the motor with reductor
100 fix at reductor 12 with the phase of lift 110, and lift 110 is left in the side of motor section 10.
Fig. 4 (a) is the stereogram of the output shaft of the 1st embodiment, and Fig. 4 (b) is from the side different from Fig. 4 (a)
To the stereogram of the output shaft for the 1st embodiment seen.
Output shaft 13 is used to the part of reductor 12, and multiple component combinations are formed.Specifically, output shaft
13 have axle portion part 40 and are fixed on the geared parts 42 as output block of the end of axle portion part 40.Then, such as Fig. 3 institutes
Show, motor 100 and lift 110 with reductor are configured to the mode that geared parts 42 are meshed with sector gear 28.
Therefore, when rotary shaft by the driving of motor section 10 to rotate when, driving force via worm shaft and worm-drive extremely
Output shaft 13, output shaft 13 (geared parts 42) rotation.Then, the rotation of geared parts 42 is transmitted to sector gear 28, is risen
Drop arm 26 is rotated centered on pivot 24, and then lift 110, which works, causes lifting arm support 34 to move up and down, so as to vehicle window glass
Glass 36 is opened and closed.
(axle portion part)
Next the details of the composition of the axle portion part of explanation output shaft.Fig. 5 is the output shaft for forming the 1st embodiment
Axle portion part front view.Fig. 6 is the upward view from the axle portion part 40 in terms of X1 directions shown in Fig. 5.Fig. 7 is the axle portion shown in Fig. 6
A-A ' the partial sectional views of part 40.Fig. 8 is the top view from the axle portion part 40 in terms of X2 directions shown in Fig. 5.Fig. 9 is shown in Fig. 8
The enlarged view of the B-B sections of axle portion part 40.
The axle portion part 40 of 1st embodiment has as the cylindric minor diameter part 40a of part 1 and as part 2
Cylindric large-diameter portion 40b.Minor diameter part 40a and large-diameter portion 40b are via jump and continuous.In addition, minor diameter part 40a and large-diameter portion
40b shape can also be prism-shaped or other shapes.Axle portion part 40 include be formed on minor diameter part 40a peripheral part by edge
The sawtooth portion 41 that the tooth crest 41a and root portion 41b for being circumferentially alternately arranged and axially extending are formed, and as minor diameter part
Compartment of terrain ring-type is formed multiple 1 are separated with 1st end face 40c of the ring-type of the jump (flange portion) between 40a and large-diameter portion 40b
Convex portion 40d.In addition, near the end of large-diameter portion 40b side opposite with minor diameter part 40a, formed with by other parts and axle portion
The groove 40e for the c-type locating ring that part 40 is fixed with the state of connection.
The sawtooth portion 41 of 1st embodiment has the 8 tooth crest 41a and 8 root portion 41b axially extended.In addition,
1st convex portion 40d (45 ° of intervals) is provided with 8 at equal intervals in the 1st end face 40c circumference.Also, the axle portion of the 1st embodiment
The tooth crest 41a formed with sawtooth portion 41 between minor diameter part 40a axis center O and the 1st convex portion 40d of part 40.Thus, shape
Symmetry is higher, the overall intensity increase for external force of axle portion part.
The sintering of Fe system of the axle portion part 40 of 1st embodiment for the viewpoint of intensity preferably for example containing copper or nickel closes
Gold.Such sintered alloy can shape powder compact HTHP to obtain by using mould.In addition, as axle portion part
The characteristic of material required by 40, in addition to component end item can obtain desired intensity, it is preferably also adapted to form foregoing c-type and determines
Machining as the groove 40e of position ring.Certainly, more preferably it is suitable to the material that the shaping of complicated shape is carried out using mould.
(geared parts)
Next the details of the composition of the geared parts of explanation output shaft.Figure 10 is the defeated of the 1st embodiment of composition
The front view of the geared parts of shaft.Figure 11 is the A-O-B sectional views of the geared parts 42 shown in Figure 10.Figure 12 is to form the 1st
The rearview of the geared parts of the output shaft of embodiment.Figure 13 is that the C-C sections of the geared parts 42 shown in Figure 12 want portion
Enlarged drawing.
The geared parts 42 of 1st embodiment include：It is formed on geared parts center, minor diameter part for axle portion part 40
The hole 42a that 40a enters；It is formed on peripheral part 42b multiple tooth 42c；Be formed on hole 42a it is inner circumferential, with axle portion part
Multiple groove 42d that the mode that 40 sawtooth portion 41 engages axially extends；The relative with the 1st end face 40c of axle portion part 40 the 2nd
Multiple second recesses that compartment of terrain ring-type is formed and formed in a manner of engaging with multiple 1st convex portion 40d are separated with the 42e of end face
42f。
The minor diameter part 40a of axle portion part 40 is inserted into the central hole 42a of geared parts 42, thus geared parts 42 are relative
Fixed in minor diameter part 40a.Geared parts 42 are between hole 42a center O and tooth 42c formed with the groove 42d axially extended.8
Individual groove 42d is shape corresponding with the tooth crest 41a in the sawtooth portion 41 of axle portion part 40 shape, by the week of the inner circumferential along hole 42a
Set to (45 ° interval) at equal intervals.Thus, the thickness of the radial direction of geared parts 42 caused by forming groove 42d can be reduced
Change.
The geared parts 42 of 1st embodiment have 8 second recesses 42f.Also, geared parts 42 are at hole 42a center
Second recesses 42f is formed between tooth 42c.Thus, the can be formed in the thicker region of geared parts 42, i.e. tooth 42c root
2 recess 42f, therefore the intensity caused by forming recess can be reduced and declined.
It should be noted that geared parts 42 can not also form second recesses, but multiple are formed in the 2nd end face 42e
2 convex portion 42h (reference picture 12).Now, the 2nd convex portion 42h is preferably made to form center O and tooth 42c in hole 42a between tooth 42c
Between tooth root 42j.Thus, the 2nd convex portion 42h can be formed in the less tooth root near zone of thickness of geared parts 42, therefore can carried
Intensity near high tooth root.
It should be noted that when setting multiple 2nd convex portion 42h in the 2nd end face 42e of geared parts 42, corresponding
It is not that multiple 1st convex portion 40d are set at 1st end face 40c of axle portion part 40, but multiple 1st recesses is set.
The sintering of Fe system of the geared parts 42 of 1st embodiment for the viewpoint of intensity preferably for example containing copper or nickel
Alloy.Further, since tooth 42c will bear larger power, therefore it is preferably further to increase intensity and geared parts 42 are oozed
Carbon quenches.Certainly, quenching is needed or need not carried out according to the purposes and shape of part.For example, can be to axle portion part
40 and either or both of geared parts 42 quenched, can also be to axle portion part 40 and geared parts 42 all without quenching
Fire.
Like this, axle portion part 40 and geared parts 42 are formed by sintering metal, therefore can utilize high defeated of Making mold intensity
Shaft.Further, since axle portion part 40 and geared parts 42 is turned into independent part, therefore by using each suitable grade
Sintering metal, the free degree of manufacture can be increased, reduced the cost.
(output shaft)
Illustrate the details of the composition of the output shaft 13 after assembling axle portion part 40 and geared parts 42 below.Figure 14 is
The top view of the output shaft 13 of 1 embodiment.Figure 15 is the A-A sectional views of the output shaft 13 shown in Figure 14.
Output shaft 13 causes both to insert the minor diameter part 40a of axle portion part 40 state in the hole 42a of geared parts 42
Interfix.In the 1st embodiment, minor diameter part 40a can have from leading section hair outstanding the hole 42a of geared parts 42
The engaging portion 40f of deformation is given birth to.Thus, axle portion part 40 can not be come off from geared parts 42.It should be noted that leading section
As long as deformation by being carried out from externally applied force or heat.
In the output shaft of the 1st embodiment, the tooth crest 41a quantity in sawtooth portion 41, the 1st convex portion 40d quantity, tooth
The groove 42d of wheel component 42 quantity, second recesses 42f quantity are all 8.It should be noted that the tooth top on sawtooth portion 41
Portion 41a quantity, the 1st convex portion 40d quantity, the groove 42d quantity of geared parts 42 and second recesses 42f quantity, preferably respectively
The quantity of structure is N times (N is integer) or 1/N times (N is integer) of the quantity of other structures.For example, the tooth top in sawtooth portion 41
Portion 41a quantity can be the integral multiple of the tooth 42c of geared parts 42 quantity.In addition, the tooth crest 41a in sawtooth portion 41, the 1st
Convex portion 40d, the groove 42d of geared parts 42 and second recesses 42f are radially linearly configured.Or can also be radially
Configuration.
By the sawtooth portion 41, the 1st convex portion 40d, the tooth 42c of geared parts 42 and the second recesses that make axle portion part 40 like this
42f turns into the high shape of symmetry or configuration, can improve output shaft 13 intensity of itself, make to act on the tooth for forming output shaft 13
Stress on wheel component 42 is relaxed.
In addition, the groove 42d cards of output shaft 13 not only the tooth crest 41a in the sawtooth portion 41 of axle portion part 40 and geared parts 42
Close, axle portion part 40 the 1st end face 40c upper annulars multiple 1st convex portion 40d for being formed with the 2nd end face of geared parts 42
The multiple second recesses 42f formed to 42e upper annulars also engage, thus geared parts 42 and axle portion part 40 be integrally formed after output
The torsional strength of axle 13 is improved.
That is, compared with when the mutual engaging of multiple parts is one-dimensionally carried out only at 1, by two-dimensionally or three-dimensionally in many places
The mutual engaging of multiple parts is carried out, when output shaft 13 has larger input, the power acted between part is just difficult to intensively
An engaging position is put on, can suppress to engage the deformation at position etc..Therefore, by using such output shaft, can provide defeated
The high reductor of shaft intensity or the motor with reductor.
(fastening state of convex portion and recess)
Figure 16 is for illustrating the 1st convex portion 40d of axle portion part 40 and showing for the second recesses 42f of geared parts 42 engaging
It is intended to.Figure 16 is that the 1st convex portion 40d and second recesses 42f of ring-type configuration are launched into linear figure.By with shown in Figure 16
State the 1st end face 40c is close or is contacted with the 2nd end face 42e, the 1st convex portion 40d and second recesses 42f is just fastened togather
.
Figure 17 is for illustrating the 1st convex portion of variation and the schematic diagram of the engaging of second recesses.1st convex portion of variation
40g also has jut 40h in the central portion of tooth top.Axle portion part 40 is being assembled and during geared parts 42, when making the 2nd end face 42e
With the 1st end face 40c it is close when, jut 40h can second recesses 42f bottom reliably conquassation deform, thus, the 1st convex portion
40g can extend to width (the 1st end face 40c circumference).Thus, the 1st convex portion 40g and second recesses when engaging can be reduced
42f gap, relatively reliable press-in state can be maintained.Therefore, even if output shaft 13 is repeated rotating forward and reversed, can also press down
Make noise or vibration because of caused by loosening.
[the 2nd embodiment]
Figure 18 is the front view of the geared parts 44 of the 2nd embodiment.Figure 19 is the amplification near the hole of geared parts 44
Stereogram.On the geared parts 42 of the 1st embodiment, formed with ring at the 3rd end face 42k of side opposite with the 2nd end face 42e
The continuous recess 42m (reference picture 10, Figure 11) of shape.Unlike this, the geared parts 44 of the 2nd embodiment are in the continuous of ring-type
Recess 42m bottom be also formed with multiple radial recess 42n.Recess 42n is from hole 42a inner circumferential radially outer circumferential side
Formed.In addition, recess 42n is formed into center O a certain distance away from hole 42a.In addition, hole 42a inner circumferential formed with
Multiple groove 42d, hole 42a radius is simultaneously non-constant, therefore recess 42n length is also various.
Like this, compartment of terrain is separated with annularly formed with multiple recess 42n in the 3rd end face 42k.Thus, make it is foregoing
The minor diameter part 40a of axle portion part 40 leading section is outstanding from the hole 42a of geared parts 44 and leading section is applied in this condition
When adding the external force to be allowed to deform, a part for leading section will enter multiple recess 42n.As a result, axle portion part 40 and the quilt of geared parts 44
More securely fix, can further suppress axle portion part 40 relative to the loosening on the direction of rotation of geared parts 44 and extraction side
The generation of loosening to (axial direction).
[the 3rd embodiment]
The Vehicular electric window system of 1st embodiment is to intersect arm-type lift, but the present invention also can be suitably used for
The lift of cable pulley type.Output shaft of the explanation suitable for the lift of cable pulley type below.
Figure 20 is the exploded perspective view of the output shaft of the 3rd embodiment.Figure 21 is from the 3rd in terms of the direction different from Figure 20
The exploded perspective view of the output shaft of embodiment.
Output shaft 46 is used for reductor 12, is the construction for forming multiple component combinations.Specifically, output shaft 46 has
There is axle portion part 40 and be fixed on the output panel 48 as output block of the end of axle portion part 40.On axle portion part 40, except saw
The quantity of the groove of teeth portion and the quantity of second recesses are Bu Tong outer, are substantially the same compositions with the 1st embodiment, therefore appropriate province
Slightly illustrate.
Figure 22 is the front view of the output panel 48 for the output shaft for forming the 3rd embodiment.Figure 23 is the output shown in Figure 22
The D-D sectional views of disk 48.Figure 24 is the rearview of the output panel 48 for the output shaft for forming the 3rd embodiment.Figure 25 is Figure 24 institutes
The enlarged view of the E-E sections of the output panel 48 shown.
The output panel 48 of 3rd embodiment includes：Be formed on discoideus part it is center, for the small of axle portion part 40
The hole 48a that footpath portion 40a enters；It is formed on 3 holding section 48c of a discoideus end face 48b；It is formed on hole 48a's
Inner circumferential, multiple groove 48d for being axially extended in a manner of the sawtooth portion 41 with axle portion part 40 engages；In with axle portion part 40
Be separated with other end 48e relative 1 end face 40c it is that compartment of terrain ring-type is formed, in a manner of engaging with multiple 1st convex portion 40d
The multiple second recesses 48f formed.
In addition, the minor diameter part 40a of axle portion part 40, thus, the phase of output panel 48 are inserted into the central hole 48a of output panel 48
Fixed for minor diameter part 40a.9 groove 48d are shapes corresponding with the tooth crest 41a in the sawtooth portion 41 of axle portion part 40 shape,
(40 ° of intervals) set at equal intervals by the circumference of the inner circumferential along hole 48a.
The output panel 48 of 3rd embodiment has 9 second recesses 48f.It should be noted that output panel 48 can not also
Second recesses are formed, but multiple 2nd convex portions are formed on the 48e of other end.Set when on the other end 48e in output panel 48
When having multiple 2 convex portions, it is multiple 1 convex to substitute that multiple 1st recesses are set on the 1st end face 40c of corresponding axle portion part 40
Portion 40d.
[the 4th embodiment]
Figure 26 (a) is the schematic diagram of the output shaft of the 4th embodiment, and Figure 26 (b) is the variation of the 4th embodiment
Output shaft schematic diagram.
Output shaft 50 shown in Figure 26 (a) has cylindric axle portion part 52 and is fixed in the discoideus of axle portion part 52
Output block 54.Axle portion part 52 is in center formed with concave hole 52a.The 52a inner peripheral surface in hole, have by circumferentially alternating
Sawtooth portion 52b that the tooth crest and root portion that arrange and axially extend are formed and at the 1st end of the ring-type intersected with axial Ax
Multiple 1st convex portion 52d (or multiple 1st recesses) that compartment of terrain ring-type is formed are separated with the 52c of face.
Output block 54 is foregoing geared parts or output panel etc..Also, output block 54 have with sawtooth portion 52b
Multiple groove 54a that the mode of engaging axially extends, and it is separated with compartment of terrain ring in the 2nd end face 54b relative with the 1st end face 52c
Multiple second recesses 54c that shape is formed and formed in a manner of engaging with multiple 1st convex portion 52d (or multiple 1st recesses) are (or more
Individual 2nd convex portion).
Thus, not only the sawtooth portion 52b of axle portion part 52 engages with the groove 54a of output block 54, at the 1st end of axle portion part 52
Multiple 1st convex portion 52d (or multiple 1st recesses) that face 52c is annularly formed and the 2nd end face 54b ring-types in output block 54
Multiple second recesses 54c (or multiple 2nd convex portions) that ground is formed also engage, therefore defeated when output block is integrally formed with axle portion part
The torsional strength of shaft 50 is improved.
In other words, above-mentioned output shaft 50 can express as follows.Axle portion part 52 has part 1 52e and and part 1
The consecutive part 2 52f of 52e.Output block 54 is fixed in part 1 52e, and sawtooth portion 52b is formed on part 1
52e hole 52a inner peripheral portion, the 1st end face 52c are the part 1 52e faces to connect with output block 54.In addition, output block
54 have and are formed on columned entrance portion 54d center, into part 1 52e of output block, and into portion
Multiple groove 54a that 54d periphery is formed.
Output shaft 56 shown in Figure 26 (b) has cylindric axle portion part 58 and is fixed in the discoideus of axle portion part 58
Output block 60.The centre of axle portion part 58 is formed with through hole 58a.In through hole 58a inner peripheral surface, have by circumferentially
The sawtooth portion 58b that the tooth crest and root portion for being alternately arranged and axially extending are formed, and in the ring-type intersected with axial Ax
The 1st end face 58c at be separated with multiple 1st convex portion 58d (or multiple 1st recesses) that compartment of terrain is annularly formed.
Output block 60 is foregoing geared parts or output panel etc..Also, output block 60 have with sawtooth portion 58b
Multiple groove 60a that the mode of engaging axially extends, and it is separated with compartment of terrain at the 2nd end face 60b relative with the 1st end face 58c
Multiple second recesses 60c annularly being formed, being formed in a manner of engaging with multiple 1st convex portion 58d (or multiple 1st recesses)
(or multiple 2nd convex portions).
Thus, as with output shaft 50, the torsional strength of output shaft 56 after output block is integrally formed with axle portion part obtains
To raising.
In other words, above-mentioned output shaft 56 can also express as follows.The part 1 58e and part 2 of axle portion part 58
58f is indistinguishably continuous.Also, output block 60 is fixed on part 1 58e, sawtooth portion 58b is formed on the 1st
Divide 58e through hole 58a inner peripheral portion, the 1st end face 58c is the face to connect with part 1 58e output block 60.It is in addition, defeated
Going out part 60 has columned entrance portion 60d center, into part 1 58e for being formed on output block, and by shape
Into multiple groove 60a in entrance portion 60d periphery.In addition, deformed into portion 60d front end by external force, as engaging portion
To play function.Thus, more it is difficult to extract output block 60 from axle portion part 58.
[the 5th embodiment]
Figure 27 is the schematic diagram of the output shaft of the 5th embodiment.Output shaft 62 shown in Figure 27 is and the 1st embodiment
Output shaft 13 is similarly comprised, but different on this point in output block 66 via sawtooth portion fastening (press-in) in axle portion part 64.
Output shaft 62 includes：Axle portion part 64, there is columned part 1 64a and and part 1 as minor diameter part
The consecutive columned part 2 64b as large-diameter portion of 64a；And output block 66, it is fixed on the of axle portion part 64
1 part 64a.Output block 66 have it is being formed at the center of output block, enter for part 1 64a and make the part 1
The outstanding through hole 66a in front end.In part 1 64a front end from state outstanding the through hole 66a of output block 66
Under, the front end is deformed, so as to which axle portion part 64 is fixed in output block 66 (region R1), and part 1 64a and the 2nd
The region R2 divided near 64b border fixes with the phase of output block 66.
Thus, even if the part 1 64a of axle portion part 64 is not pressed integrally throughout the through hole 66a of output block 66
Enter, also (region R1's axle portion part 64 and region R2) interfixes at least 2 with output block 66, so as to cause axle portion part 64
It can not be come off from output block 66.
Axle portion part 64 be configured so that with the phase of output block 66 fix in the state of, in part 1 64a front end (area
Domain R1) and border near region R2 between (region R3), with output block 66 formed gap.Thus, assembling axle portion can be reduced
Required power when part 64 and output block 66, the deformation or fracture of energy suppression component, and productivity can be improved.
Axle portion part 64 has on the 1st end face 64c of the ring-type as the jump between part 1 64a and part 2 64b
It is separated with multiple 1st convex portion 64d (or multiple 1st recesses) that compartment of terrain is annularly formed.Output block 66 have with the 1st end face
Be separated with the 2nd relative 64c end face 66b it is that compartment of terrain is annularly formed, with multiple 1st convex portion 64d (or multiple 1st recesses)
Multiple second recesses 66c (or multiple 2nd convex portions) that the mode of engaging is formed.Multiple 1st convex portion 64d (or multiple 1st recesses) with
Multiple second recesses 66c (or multiple 2nd convex portions) are mutually pressed into.
The present invention is illustrated above by reference to above-mentioned embodiment, but the present invention is not limited to above-mentioned embodiment, will be real
Apply mode composition it is appropriately combined or displacement after scheme be also included in the scope of the present invention.Furthermore, it is possible to it is based on this area skill
The knowledge of art personnel suitably recombinates the combination in embodiment or the order of processing, or applies various designs to embodiment
The deformation such as change, the embodiment for being applied in such deformation may also be within the scope of the present invention.
Claims (16)
- A kind of 1. output shaft for being used for reductor, it is characterised in that including：Axle portion part, andIt is fixed in the output block of the axle portion part；The axle portion part includes：Arranged and axially extended by circumferentially alternating The sawtooth portion that tooth crest and root portion are formed, and it is separated with compartment of terrain ring-type landform in the 1st end of ring-type intersecting axially Into multiple 1st convex portions or multiple 1st recesses；The output block includes：In a manner of engaging with the sawtooth portion vertically Multiple grooves of extension, and be separated with 2nd end face relative with the 1st end face compartment of terrain annularly formed and with it is described more Individual 1st convex portion or the multiple 1st recess engaging it is square into multiple second recesses or multiple 2nd convex portions.
- 2. output shaft as claimed in claim 1, it is characterised in that the axle portion part have part 1 and with the part 1 phase Continuous part 2；The output block is fixed on the part 1；The sawtooth portion is formed on the part 1 Peripheral part；1st end face is the jump between the part 1 and the part 2；The output block includes：It is defeated at this Go out hole being formed at the center of part, entering for the part 1, in multiple teeth that peripheral part is formed, and in the hole Inner circumferential formed the multiple groove.
- 3. output shaft as claimed in claim 1, it is characterised in that the axle portion part have part 1 and with the part 1 phase Continuous part 2；The output block is fixed on the part 1；The sawtooth portion is formed on the part 1 Inner peripheral portion；1st end face is the face to connect with the output block of the part 1；The output block includes：At this Entrance portion formed at the center of output block, into the part 1, and described in the periphery formation into portion Multiple grooves.
- 4. output shaft as claimed in claim 2, it is characterised in that the output block the center in the hole and the tooth it Between form the groove.
- 5. the output shaft as described in claim 2 or 4, it is characterised in that the axle portion part has the multiple 1st convex portion；Institute Stating output block has the multiple second recesses；Described in the output block is formed between the center in the hole and the tooth Second recesses.
- 6. the output shaft as described in any one of claim 2 to 5, it is characterised in that the axle portion part is in the part 1 The tooth crest in the sawtooth portion is formed between axis center and the 1st convex portion.
- 7. output shaft as claimed in claim 2, it is characterised in that the output block is at the center in the hole and the heel The 2nd convex portion is formed between the tooth root of the between cog.
- 8. output shaft as claimed in claim 2, it is characterised in that the part 1 has from described in the output block The engaging portion that the outstanding leading section in hole is deformed.
- 9. the output shaft as described in any one of claim 1 to 8, it is characterised in that the axle portion part and the output block It is made up of sintering metal.
- 10. output shaft as claimed in claim 9, it is characterised in that the output block is by the part after carburizing and quenching.
- 11. the output shaft as described in any one of claim 2 to 8, it is characterised in that the tooth crest in the sawtooth portion Quantity is the integral multiple of the quantity of the tooth.
- A kind of 12. output shaft for being used for reductor, it is characterised in that including：It is connected with part 1 and with the part 1 The axle portion part of continuous part 2, and it is fixed on the output block of the part 1 of the axle portion part；The output block With at the center of the output block formed, for the part 1 enter and make the front end of the part 1 outstanding Hole；On the axle portion part, in the front end of the part 1 from the outstanding state in the hole of the output block Under, the front end is fixed in the output block, the part 1 and the region near the border of the part 2 and institute Output block is stated mutually to fix.
- 13. output shaft as claimed in claim 12, it is characterised in that the axle portion part be configured so that with the output section Part mutually fix in the state of, between the region near the front end of the part 1 and the border, with the output section Part forms gap.
- 14. the output shaft as described in claim 12 or 13, it is characterised in that the axle portion part has as described 1st Multiple 1st convex portions or more that compartment of terrain is annularly formed are separated with 1st end face of the ring-type of the jump divided between the part 2 Individual 1st recess；The output block have be separated with 2nd end face relative with the 1st end face compartment of terrain annularly formed, And multiple second recesses for being formed in a manner of engaging with the multiple 1st convex portion or the multiple 1st recess or multiple 2nd convex Portion；The multiple 1st convex portion or the multiple 1st recess are mutually pressed with the multiple second recesses or the multiple 2nd convex portion Enter.
- A kind of 15. reductor, it is characterised in that including：For the worm screw of the rotation of driving motor, it is meshed with the worm screw Worm gear, engaged with driven member, drive the driven member claim 1 to 14 any one described in output shaft, will The rotary drive of the worm gear and houses the housing of the worm gear to the transmission mechanism of the output shaft.
- A kind of 16. motor with reductor, it is characterised in that including：Motor, and will with the joining right of axle of the motor Seek the reductor described in 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969996.0A CN107725618A (en) | 2017-09-26 | 2017-09-26 | Output shaft, reductor and the motor with reductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969996.0A CN107725618A (en) | 2017-09-26 | 2017-09-26 | Output shaft, reductor and the motor with reductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725618A true CN107725618A (en) | 2018-02-23 |
Family
ID=61211864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710969996.0A Pending CN107725618A (en) | 2017-09-26 | 2017-09-26 | Output shaft, reductor and the motor with reductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207622A1 (en) * | 2019-04-10 | 2020-10-15 | Sew-Eurodrive Gmbh & Co. Kg | Gear unit comprising a rotatably mounted toothed part, and process for manufacturing a gear unit comprising a toothed part |
-
2017
- 2017-09-26 CN CN201710969996.0A patent/CN107725618A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207622A1 (en) * | 2019-04-10 | 2020-10-15 | Sew-Eurodrive Gmbh & Co. Kg | Gear unit comprising a rotatably mounted toothed part, and process for manufacturing a gear unit comprising a toothed part |
| CN113728182A (en) * | 2019-04-10 | 2021-11-30 | 索尤若驱动有限及两合公司 | Speed reducer with rotatably mounted toothed part and method for producing a speed reducer with toothed part |
| US11976714B2 (en) | 2019-04-10 | 2024-05-07 | Sew-Eurodrive Gmbh & Co. Kg | Gear unit including a rotatably mounted toothed part, and process for manufacturing a gear unit including a toothed part |
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Application publication date: 20180223 |