CN109163083A - The gear assembly of adjustable gear backlash - Google Patents
The gear assembly of adjustable gear backlash Download PDFInfo
- Publication number
- CN109163083A CN109163083A CN201811248081.1A CN201811248081A CN109163083A CN 109163083 A CN109163083 A CN 109163083A CN 201811248081 A CN201811248081 A CN 201811248081A CN 109163083 A CN109163083 A CN 109163083A
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- CN
- China
- Prior art keywords
- hole
- adjustment
- gear
- ontology
- shaft
- 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
- 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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The present invention relates to a kind of gear assemblies of adjustable gear backlash, including the gear with axis hole, with the shaft for being threaded through axis hole, it further include the adjustment portion set on gear one end, adjustment portion includes block-shaped body, and it is set on ontology, the coaxial through-hole with axis hole, one end of shaft passes through through-hole, adjustment portion further include at least two settings on the body and circumferentially distributed adjustment hole, the axis of adjustment hole is along ontology radial direction, the mutual central symmetry of projecting figure of each adjustment hole in body cross-section, gear assembly further includes the columnar regulating part with adjustment hole cooperation, regulating part is inserted into adjustment hole by the outside of ontology, and inner end end is against in shaft.Gear assembly of the invention, by the cooperation of adjustment portion structure and regulating part, can the circumferential angle of adjustment gear in a certain range improve engagement effect to reduce gap between the correspondence teeth portion of coupling gear, improve transmission quality.
Description
Technical field
The present invention relates to field of gears more particularly to set of gears components.
Background technique
Gear is the mechanical organ with teeth that can continuously engage passing movement and power on wheel rim, is widely used in various machinery
In structure.Teeth portion is the convex portion that each is used for engagement on gear, these convex portions usually radially arrange.Pairing
Teeth portion on gear contacts with each other, and gear can be made to continue engagement operating.But in actual use, the corresponding teeth on coupling gear
Often there is gap between portion, degree of engagement is not good enough, influences the operating of corresponding mechanism.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, a kind of adjustable gear backlash is provided, improves transmission quality
Gear assembly.
In order to achieve the above objectives, a kind of the technical solution adopted by the present invention are as follows: gear set of adjustable gear backlash
Part including the gear with axis hole, and is threaded through the shaft of the axis hole, it is characterised in that: further includes being set to the gear one
The adjustment portion at end, the adjustment portion include block-shaped body, and the through-hole on the ontology, coaxial with the axis hole, institute
The one end for stating shaft passes through the through-hole, and the adjustment portion further includes that at least two settings are on the body and circumferentially distributed
The axis of adjustment hole, the adjustment hole is radial along the ontology, projecting figure phase of each adjustment hole in body cross-section
Central symmetry between mutually, the gear assembly further include the columnar regulating part with adjustment hole cooperation, and the regulating part is by institute
The outside insertion adjustment hole of ontology is stated, and inner end end is against in the shaft.
Preferably, each adjusting axially bored line is identical in the position of shaft axial direction, about the through-bore axis central symmetry
Every two described in adjustment hole be one group, the axis of one group of two adjustment hole is arranged in parallel.
Preferably, the vertical range of one group of two adjustment hole is greater than the half of through-hole size in the same direction.
Preferably, projecting figure central symmetry of the adjustment portion in body cross-section.
Preferably, the adjustment hole there are four being set altogether on the ontology.
Preferably, the sectional dimension of the through-hole is greater than the sectional dimension of axis hole, and the shaft includes columned shaft
Ontology, the inner end end face of the regulating part are against on the shaft ontology.
Preferably, the through-hole is circular hole, and aperture is equal to the aperture of the axis hole, and the shaft includes columned shaft
Ontology, and the columnar spacer pin radially extended on shaft ontology, the adjustment portion further include opposite set on the ontology
In on the outer end end face of gear, interior shape the groove of the spacer pin is matched and accommodated with the spacer pin shape, it is described
Width of the radial size vertical with itself extending direction of spacer pin less than the groove in body cross-section direction, it is described
Groove is radially connected to the through-hole, and the inner end end face of the regulating part is against on the spacer pin.
Preferably, the cross section of the through-hole is square, and is set altogether on the ontology there are four the adjustment hole, circumferential phase
The axis angle of adjacent two adjustment holes is right angle.
Preferably, the spacer pin is extended to two sides from shaft ontology along same diametrical direction respectively, the limit
Two adjustment holes are respectively set in the two sides of pin, and the adjusting axially bored line is perpendicular to the groove in body cross-section plane
Length direction, the adjustment holes of the spacer pin two sides corresponds, and corresponding two adjustings axially bored line is on the same line.
Preferably, the regulating part is to adjust bolt.
The invention solves the defect existing in the background technology, has the following beneficial effects:
It, can adjusting tooth in a certain range by the cooperation of adjustment portion structure and regulating part 1. gear assembly of the invention
The circumferential angle of wheel improves engagement effect, improves transmission quality to reduce gap between the correspondence teeth portion of coupling gear.And
Adjustment portion structure of the invention, simple structure is easy to use, flexible adjustment.It, can be preferably due to adjustment hole center symmetric setting
Guarantee the concentricity and stability of shaft after adjusting.
2. the axis about centrosymmetric every group of two adjustment holes of through-bore axis is arranged in parallel, circumferentially can be more preferable
Balance and stablize adjusting to shaft.
3. projecting figure central symmetry of the adjustment portion in body cross-section can make adjustment portion ontology weigh matching for gear
To balance, preferably guarantee shaft concentricity.
4. four adjustment holes can be set on ontology, counterbalance effect and processing cost are taken into account.
5. the inner end end face of regulating part is against on shaft ontology, the angle of shaft and gear can directly, be quickly adjusted.
The cross section of especially through-hole is square, and four adjustment holes are arranged on ontology altogether, and the axis angle of circumferentially-adjacent two adjustment hole is
Right angle, it is more preferable to the counterbalance effect of shaft.
6. spacer pin can be set on shaft ontology, change shaft ontology and gear by adjusting the angle of spacer pin
The cooperation of angle, spacer pin and groove facilitates the circumferential angle for assisting to limit shaft ontology, and the gear assembly regulated is more
Stablize.Two adjustment holes are respectively set in the two sides of especially spacer pin, and the adjustment hole of spacer pin two sides corresponds, can be better
The angle of spacer pin is locked, to stablize the angle of shaft and gear.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the front view of 1 middle gear and adjustment portion of the embodiment of the present invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the side view of shaft in embodiment 1；
Fig. 4 is the front view of embodiment 1；
Fig. 5 is the front view of 2 middle gear and adjustment portion of the embodiment of the present invention；
Fig. 6 is the B-B cross-sectional view of Fig. 5；
Fig. 7 is the front view of embodiment 2；
In figure: 2, gear, 22, axis hole, 4, adjustment portion, 41, ontology, the 411, first columnar part, the 412, second columnar part,
42, through-hole, 43, adjustment hole, 44, groove, 6, shaft, 61, shaft ontology, 62, spacer pin, 8, regulating part.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
Embodiment 1
As shown in Figs 1-4, the gear assembly of gear backlash is adjusted, including the gear 2 with axis hole 22, and wears
It further include the adjustment portion 4 set on 2 one end of gear in the shaft 6 of axis hole 22.Adjustment portion 4 includes block-shaped body 41, and is set to this
One end of through-hole 42 on body 41, coaxial with first shaft hole 22, shaft 6 passes through through-hole 42.Adjustment portion 4 further includes at least two setting
Set adjustment hole 43 on ontology 41 and circumferentially distributed, the axis of adjustment hole 43 is radial along ontology 41, and each adjustment hole 43 is in ontology
The mutual central symmetry of projecting figure on 41 cross sections.The gear assembly of the present embodiment further includes the column cooperated with adjustment hole 43
The regulating part 8 of shape, regulating part 8 is inserted into adjustment hole 43 by the outside of ontology 41, and inner end end is against in shaft 6.
Specifically, the ontology 41 of adjustment portion 4 is column, 2 end face of gear is abutted.Ontology 41 includes the phase in cross sectional planes
Mutually vertical the first columnar part 411 and the second columnar part 412, the cross section of ontology 41 are in cross.The cross of first columnar part 411
Cross-sectional width is twice of 412 cross-sectional width of the second columnar part.Ontology 41 is that cylindrical body is circumferentially symmetrically machining away four cross
Section is that fan-shaped cylinder forms.Through-hole 42 is circular hole, and aperture is equal to the aperture of axis hole 22.Shaft 6 includes columned shaft
Ontology 61, and the columnar spacer pin 62 radially extended on shaft ontology 61.More specifically, spacer pin 62 is by shaft ontology
61 extend to two sides respectively along same diametrical direction, and spacer pin 62 is symmetrical about shaft ontology 61.Adjustment portion 4 further includes setting
Groove 44 on end face of the ontology 41 relative to the outer end of gear 2, the interior shape and 62 shape of spacer pin of groove 44 match
Spacer pin 62 is closed and accommodates, groove 44 is radially extended to through-hole 42 from 41 exterior side surface of ontology, and is connected to through-hole 42.
The radial size a vertical with itself extending direction of spacer pin 62 is less than groove 44 in the width b of 41 cross-sectional direction of ontology.
Groove 44 is arranged in the first columnar part 411, and length direction and first column of the groove 44 in 41 cross sectional planes of ontology
The cross-section lengths direction in portion 411 is identical.Adjustment hole 43 there are four setting altogether on ontology 41, adjustment hole 43 is respectively by the side of ontology 41
Portion outer surface extends radially inward to be connected to groove 44.Each 43 axis of adjustment hole is in the position in 6 axially direction of shaft
It is identical, it is one group about the symmetrical every two adjustment hole 43 of 42 axis centre of through-hole, the axis of one group of two adjustment hole 43 is mutual
It is arranged in parallel.Two adjustment holes 43 are respectively set in the axis two sides of spacer pin 62, and 43 axis of adjustment hole is perpendicular to groove 44 at this
The adjustment hole 43 of length direction in 41 cross sectional planes of body, 62 two sides of spacer pin corresponds, corresponding two adjustment holes 43
Axis is on the same line.Entire projecting figure central symmetry of the adjustment portion 4 on 41 cross section of ontology.
Regulating part 8 is to adjust bolt, adjusts bolt and is against by penetrating adjustment hole 43, inner end end face, that is, tail portion on the outside of ontology 41
It is placed on the spacer pin 62 in groove 44.
In use, initial, two gears 2 intermeshing of pairing, but there are gaps between the corresponding teeth portion of coupling gear 2.
The circumferential angle of one of gear 2 is adjusted at this time, can also the angles of two gears 2 all adjust.Adjust each gear angle
When spending, unclamp the adjusting bolt in four adjustment holes 43, due between groove 44 and spacer pin 62 there are certain gap, it is fine-tuning
The angle of spacer pin 62, i.e. 6 angulation change of shaft drive angle of gear to change simultaneously, makes the teeth portion and respective gears of this gear
Corresponding teeth portion gap reduces or disappears, and after angle is adjusted, the angle of gear can be stablized by screwing four adjusting bolts again
State.Gear after adjustment engages effect at work and substantially improves.
Embodiment 2
As illustrated in figs. 5-7, the gear assembly of gear backlash is adjusted, including the gear 2 with axis hole 22, and wears
It further include the adjustment portion 4 set on 2 one end of gear in the shaft 6 of axis hole 22.Adjustment portion 4 includes block-shaped body 41, and is set to this
One end of through-hole 42 on body 41, coaxial with first shaft hole 22, shaft 6 passes through through-hole 42.Adjustment portion 4 further includes at least two setting
Set adjustment hole 43 on ontology 41 and circumferentially distributed, the axis of adjustment hole 43 is radial along ontology 41, and each adjustment hole 43 is in ontology
The mutual central symmetry of projecting figure on 41 cross sections.The gear assembly of the present embodiment further includes the column cooperated with adjustment hole 43
The regulating part 8 of shape, regulating part 8 is inserted into adjustment hole 43 by the outside of ontology 41, and inner end end is against in shaft 6.
Specifically, the ontology 41 of adjustment portion 4 be with coaxial cylindric of gear 2, against the setting of 2 end face of gear.Through-hole 42
It is square hole, square 22 aperture of side ratio axis hole is big by 5%.It is set altogether on ontology 41 there are four adjustment hole 43, adjustment hole 43 divides
Do not extend radially inward to be connected to through-hole 42 by the exterior side surface of ontology 41.Each 43 axis of adjustment hole is along 6 axis of shaft
To direction on position it is identical, about the symmetrical every two adjustment hole 43 of 42 axis centre of through-hole be one group, one group two adjusting
The axis in hole 43 cross-sectional square shape side length direction arranged in parallel and perpendicular to through-hole 42.Between one group of two 43 axis of adjustment hole
Vertical range be greater than 42 cross-sectional square shape side length of through-hole half.The axis angle of circumferentially-adjacent two adjustment hole 43 is straight
Angle.Entire projecting figure central symmetry of the adjustment portion 4 on 41 cross section of ontology.
Regulating part 8 is to adjust bolt, and shaft 6 includes columned shaft ontology 61, adjusts bolt by wearing on the outside of ontology 41
Enter adjustment hole 43, inner end end face, that is, tail portion is against on shaft ontology 61.
In use, initial, two gears 2 intermeshing of pairing, but there are gaps between the corresponding teeth portion of coupling gear.This
When the circumferential angle of one of gear 2 is adjusted, or adjust the angle of two gears 2.When adjusting each angle of gear, pine
The adjusting bolt in four adjustment holes 43 is opened, rotating shaft ontology 61 changes angle of gear, makes the teeth portion and respective teeth of this gear
The correspondence teeth portion gap of wheel reduces or disappears, and after angle is adjusted, gear can be stablized by screwing four adjusting bolts again
Angle state.Gear after adjustment engages effect at work and substantially improves.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of gear assembly of adjustable gear backlash, including the gear with axis hole, and is threaded through the axis hole
Shaft, it is characterised in that: further include the adjustment portion set on described gear one end, the adjustment portion includes block-shaped body, Yi Jishe
The through-hole is passed through in one end of the through-hole on the ontology, coaxial with the axis hole, the shaft, the adjustment portion further includes
On the body and circumferentially distributed adjustment hole, the axis of the adjustment hole is radial along the ontology, respectively at least two settings
The mutual central symmetry of projecting figure of the adjustment hole in body cross-section, the gear assembly further include and the adjusting
The columnar regulating part of hole cooperation, the regulating part are inserted into adjustment hole by the outside of the ontology, and inner end end be against it is described
In shaft.
2. the gear assembly of adjustable gear backlash according to claim 1, it is characterised in that: each adjustment hole
Axis is identical in the position of shaft axial direction, the adjustment hole described in the centrosymmetric every two of the through-bore axis be one group, one
The axis of two adjustment holes of group is arranged in parallel.
3. the gear assembly of adjustable gear backlash according to claim 1 or 2, it is characterised in that: the adjusting
Projecting figure central symmetry of the portion in body cross-section.
4. the gear assembly of adjustable gear backlash according to claim 3, it is characterised in that: on the ontology altogether
If there are four the adjustment holes.
5. the gear assembly of adjustable gear backlash according to claim 1 or 2, it is characterised in that: the through-hole
Sectional dimension be greater than axis hole sectional dimension, the shaft includes columned shaft ontology, the inner end end of the regulating part
Face is against on the shaft ontology.
6. the gear assembly of adjustable gear backlash according to claim 2, it is characterised in that: the through-hole is circle
Hole, aperture are equal to the aperture of the axis hole, and the shaft includes columned shaft ontology, and is radially prolonged on shaft ontology
The columnar spacer pin stretched, the adjustment portion further include be set to the ontology relative on the outer end end face of gear, interior shape
Match and accommodate the groove of the spacer pin with the spacer pin shape, the spacer pin it is vertical with itself extending direction
Radial size be less than the groove in the width in body cross-section direction, the groove is radially connected to the through-hole, institute
The inner end end face for stating regulating part is against on the spacer pin.
7. the gear assembly of adjustable gear backlash according to claim 5, it is characterised in that: the cross of the through-hole
Section is square, and is set altogether on the ontology there are four the adjustment hole, the axis angle of circumferentially-adjacent two adjustment hole is right angle.
8. the gear assembly of adjustable gear backlash according to claim 6, it is characterised in that: the spacer pin by
Shaft ontology extends to two sides respectively along same diametrical direction, and two adjustings are respectively set in the two sides of the spacer pin
Hole, the length direction for adjusting axially bored line perpendicular to the groove in body cross-section plane, the spacer pin two sides
Adjustment hole corresponds, and corresponding two adjustings axially bored line is on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811248081.1A CN109163083A (en) | 2018-10-25 | 2018-10-25 | The gear assembly of adjustable gear backlash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811248081.1A CN109163083A (en) | 2018-10-25 | 2018-10-25 | The gear assembly of adjustable gear backlash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109163083A true CN109163083A (en) | 2019-01-08 |
Family
ID=64875226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811248081.1A Withdrawn CN109163083A (en) | 2018-10-25 | 2018-10-25 | The gear assembly of adjustable gear backlash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189631A (en) * | 2020-01-08 | 2020-05-22 | 北京海纳川汽车部件股份有限公司 | Tool for detecting gear |
-
2018
- 2018-10-25 CN CN201811248081.1A patent/CN109163083A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189631A (en) * | 2020-01-08 | 2020-05-22 | 北京海纳川汽车部件股份有限公司 | Tool for detecting gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190108 |