CN207212969U - A kind of small aero shaft coupling - Google Patents
A kind of small aero shaft coupling Download PDFInfo
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- CN207212969U CN207212969U CN201721180741.8U CN201721180741U CN207212969U CN 207212969 U CN207212969 U CN 207212969U CN 201721180741 U CN201721180741 U CN 201721180741U CN 207212969 U CN207212969 U CN 207212969U
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- coupler
- hole
- shaft coupling
- bearing pin
- shaft
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Abstract
A kind of small aero shaft coupling, including preceding half a coupler, rear half a coupler be the utility model is related to characterized in that, also including self-locking nut, elastic washer, some buffering rings and bearing pin；Some through holes of two kinds of different inner diameters are circumferentially evenly equipped with the flange of the preceding half a coupler and rear half a coupler, and to be spaced apart；Path through hole is the mounting hole of driving shaft and driven shaft, and large diameter hole is bearing pin patchhole；Some buffering rings are cased with bearing pin, before the insertion of one end after half a coupler large diameter hole, are locked by self-locking nut and elastic washer, after other end insertion in the path through hole of half a coupler correspondence position, and are interference fit.The utility model is compact-sized, simple, reasonable, and connection is firm, improves shaft coupling reliability, by loop buffer ring clamping driving shaft and driven shaft, it is zero to make forward and reverse gap, improves efficiency, eliminates impact.
Description
Technical field
The present invention relates to put-put interconnection technique field, more particularly to a kind of small aero shaft coupling.
Background technology
Relatively conventional shaft coupler of engine is different frequently with the direct Hard link of flange-type structure, small aero connection
Require that power transmission shaft can not be by impulsive force etc. when axle device is to driving shaft and driven shaft axiality, weight and commutation and speed change
There is higher requirement, more using clamp connection structure.
Reference picture 1, patent document is entitled " a kind of shaft coupling ", Authorization Notice No. CN 203404270U Chinese patent,
A kind of engine clamp connection structure shaft coupling is disclosed, the patent provides a kind of shaft coupling, including two ladder circle cylindricalitys
Metal body 7, body centre is ladder hole vertically, there is keyway, body larger-diameter one on the inwall compared with small through hole
Radially equalization has four gomphosis grooves at end, there is four chimeric projections, an appearance on the body between four gomphosis grooves
The face loop buffer pad 8 that radially impartial setting has eight connecting grooves is entrenched on four gomphosis grooves of the body,
It is engaged between gomphosis groove and chimeric projection with loop buffer pad 8, to reduce impact.
It is not difficult to find out, this engine clamp connection structure shaft coupling has following defect disclosed in document：
A, the coupler structure is complicated, secondly the fluted body face being engaged between individual body is arc-shaped face, arc mating surface
Fitting rate is difficult to ensure card.
B, the shaft coupling convex groove type face difficulty of processing is big, and cost is high.
C, loop buffer pad has deformation displacement risk when being driven and extruding.
The content of the invention
Present invention solves the technical problem that it is：In order to overcome the limitation of existing shaft coupling, further meet small-sized boat
Empty engine loss of weight, succinct, reliable, expanding economy requirement, the invention provides a kind of small aero shaft coupling.Have
Effect solve driving shaft and driven shaft axiality, mechanism weight and when commutation is with speed change, power transmission shaft can not be by impulsive force
It is required that it is simple in construction, commutation gap has been effectively eliminated, has improved the service life and reliability of shaft coupling, and has reduced manufacture
Cost.
The technical scheme is that：A kind of small aero shaft coupling, including preceding half a coupler 1, later half shaft coupling
Device 6, in addition to self-locking nut 2, elastic washer 3, some buffering rings 4 and bearing pin 5；The preceding half a coupler 1 and rear half a coupler 6
Flange on be circumferentially evenly equipped with some through holes of two kinds of different inner diameters, and to be spaced apart；Path through hole is structure lightening core, greatly
Footpath hole is the patchhole of bearing pin 5；Some buffering rings are cased with bearing pin 5, before the insertion of one end after the large diameter hole of half a coupler 1, pass through self-locking
Nut 2 and elastic washer 3 are locked, and after other end insertion in the big footpath through hole of the correspondence position of half a coupler 6, and are interference fit；
Flange center's through hole is the mounting hole of corresponding driving shaft and driven shaft.
The present invention further technical scheme be：The central through hole through hole is straight hole or taper hole, interior to be provided with keyway, is easy to
With driving shaft or driven axis connection.
The present invention further technical scheme be：The material of buffering ring 4 is the pressure-resistant complex plastic compression molding of oil resistant.
Invention effect
The technical effects of the invention are that：Based on above-mentioned technical proposal, the present invention is compact-sized, simple, reasonable, connection jail
Lean on, improve shaft coupling reliability, by loop buffer ring clamping driving shaft and driven shaft, it is zero to make forward and reverse gap, is improved
Efficiency, eliminates impact.Due to being effectively reduced part machinery difficulty of processing, processing technology is good, is advantageous to reach more
High machining accuracy, and the weight of shaft coupling is controlled, it is easy to tissue engine structure, improves operating efficiency and warp
Ji benefit.
Brief description of the drawings
Fig. 1 is a kind of structural scheme of mechanism of shaft coupling of background technology；
Fig. 2 is small aero coupling mechanism schematic diagram of the present invention；
Fig. 3 is coupling mechanism composition structural representation of the present invention；
Fig. 4 is preceding coupler structure schematic diagram；
Fig. 5 is rear shaft coupling diagrammatic cross-section；
Fig. 6 is buffering ring structural representation.
In figure, 1-preceding half a coupler, 2-self-locking nut, 3-elastic washer, 4-buffering ring, 5-bearing pin, 6-it is later half
Shaft coupling, 7-body, 8-loop buffer pad.
Embodiment
The technical solution adopted for the present invention to solve the technical problems includes following feature：The coupling mechanism includes two
The forward and backward half a coupler being connected respectively with driving shaft and driven shaft is the front-and-back unit of main body, and attached to it each
Individual component parts, concrete composition part are：Preceding half a coupler 1, self-locking nut 2, elastic washer 3, buffering ring 4, bearing pin 5, later half shaft coupling
Device 6.The preceding half a coupler 1 is flange form axle construction with rear half a coupler 6, and its central bore is that the step with keyway leads to
Hole, the bore dia major part are structure lightening core, bore dia it is smaller and with splined portion be corresponding driving shaft and from
The mounting hole of moving axis, itself or be straight hole or be taper hole, it is different depending on the structure of engine and its connected connection mechanism.Meanwhile preceding
Half a coupler 1 on the rear flange of half a coupler 6 with being each provided with four symmetrical lightening cores and four functional holes, wherein having same
The lightening core of two symmetric positions on diameter line is provided with internal thread, in case different demands, another two lightening cores are then through hole.
Further describe, as shown in figure 4, four functional holes are taper hole on the flange of preceding half a coupler 1, in 90 ° of deciles
On same circumference, the taper hole is used to install bearing pin 5.As shown in figure 5, four functional holes are straight hole on the rear flange of half a coupler 6,
It is also on the same circumference of 90 ° of deciles, buffering ring 4 inserts when the hole is used for shaft coupling docking.
Further describe, as a shown in Figure 6,4 buffering rings 4 are installed on each bearing pin 5, form buffering annulate shaft, bearing pin 5
Before being installed on by four taper holes on its male cone (strobilus masculinus) and the preceding flange of half a coupler 1 on half a coupler 1, and pass through the He of self-locking nut 2
Elastic washer 3 fastens.Conical surface connection ensure that accurate positioning with firm, and self-locking nut ensure that reliably.The material of buffering ring 4 is resistance to
Complex plastic compression molding that oil is pressure-resistant, it is durable indeformable, and can guarantee that buffering effect without influenceing transmission efficiency.
In use, rear half a coupler 6 directly installs self-locking nut by flat key with passive axis connection, preceding half a coupler 1
2nd, it is directly that engine output shaft is connected with driving shaft by flat key after elastic washer 3, buffering ring 4, bearing pin 5.Make buffering ring
After axle insertion in four mounting holes corresponding to half a coupler 6, the plastic cement external diameter and its mounting hole that buffer annulate shaft are interference fit, are pacified
Cause the external diameter of buffering ring 4 of plastic material to compress to adapt to mounting hole during dress, ensure that master and slave axle commutation gap is zero,
And again to be flexible coupling.
A kind of small aero shaft coupling of the present invention be connected respectively with driving shaft and driven shaft including two before,
Half a coupler is the front-and-back unit of main body afterwards, and each component parts attached to it, concrete composition part be：Preceding half a coupler
1st, self-locking nut 2, elastic washer 3, buffering ring 4, bearing pin 5, rear half a coupler 6.The preceding half a coupler 1 and rear half a coupler 6
It is flange form axle construction, its central bore is the step through-hole with keyway, and the bore dia major part is structure lightening core,
Bore dia is smaller and is the mounting hole of corresponding driving shaft and driven shaft with splined portion, itself or be straight hole or be taper hole,
It is different depending on the structure of engine and its connected connection mechanism.It is meanwhile each on preceding half a coupler 1 and the rear flange of half a coupler 6
Four symmetrical lightening cores and four functional holes are provided with, wherein the lightening core for there are two symmetric positions on same diameter line is set
Internal thread is equipped with, in case different demands, another two lightening cores are then through hole.
As shown in figure 4, four functional holes are taper hole on the preceding flange of half a coupler 1, in the same circumference for 90 ° of deciles it
On, the taper hole is used to install bearing pin 5.
As shown in figure 5, four functional holes be straight hole on the rear flange of half a coupler 6, the same circumference divided in 90 ° of grades it
On, buffering ring 4 inserts when the hole is used for shaft coupling docking.
As a shown in Figure 6,4 buffering rings 4 are installed on each bearing pin 5, form buffering annulate shaft, bearing pin 5 passes through its outer cone
Before face is installed on four taper holes on the preceding flange of half a coupler 1 on half a coupler 1, and it is tight by self-locking nut 2 and elastic washer 3
Gu.Conical surface connected mode ensure that accurate positioning with firm, and what the self-locking nut for reaching regulation screw-down torque ensure that connection can
Lean on.The material of buffering ring 4 is the pressure-resistant complex plastic compression molding of oil resistant, durable indeformable, and can guarantee that buffering effect without influenceing
Transmission efficiency.
The present invention is in use, rear half a coupler 6 is directly installed certainly by flat key with passive axis connection, preceding half a coupler 1
It is directly that engine output shaft is connected with driving shaft by flat key after split nut 2, elastic washer 3, buffering ring 4, bearing pin 5.On
State after items are installed in place, make buffering annulate shaft insert after in four mounting holes corresponding to half a coupler 6, buffer outside the plastic cement of annulate shaft
Footpath and its mounting hole are interference fit, the external diameter of buffering ring 4 of plastic material are compressed to adapt to mounting hole during installation, so as to really
It is zero to have protected master and slave axle commutation gap, and is to be flexible coupling again.So far, the plug-in connection of shaft coupling of the present invention is completed.
Claims (3)
1. a kind of small aero shaft coupling, including preceding half a coupler (1), rear half a coupler (6) are characterized in that, also wrap
Include self-locking nut (2), elastic washer (3), some buffering rings (4) and bearing pin (5)；The preceding half a coupler (1) and later half shaft coupling
Some through holes of two kinds of different inner diameters are circumferentially evenly equipped with the flange of device (6), and to be spaced apart；Path through hole mitigates for structure
Hole, large diameter hole are bearing pin (5) patchhole；Some buffering rings, half a coupler (1) large diameter hole before the insertion of one end are cased with bearing pin (5)
Afterwards, locked by self-locking nut (2) and elastic washer (3), the big footpath through hole of half a coupler (6) correspondence position after other end insertion
In, and be interference fit；Flange center's through hole is the mounting hole of corresponding driving shaft and driven shaft.
2. a kind of small aero shaft coupling as claimed in claim 1, it is characterised in that the path through hole is straight hole
Or taper hole, it is interior to be provided with keyway, it is easy to and driving shaft or driven axis connection.
A kind of 3. small aero shaft coupling as claimed in claim 1, it is characterised in that buffering ring (4) material
For the pressure-resistant complex plastic compression molding of oil resistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721180741.8U CN207212969U (en) | 2017-09-15 | 2017-09-15 | A kind of small aero shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721180741.8U CN207212969U (en) | 2017-09-15 | 2017-09-15 | A kind of small aero shaft coupling |
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| Publication Number | Publication Date |
|---|---|
| CN207212969U true CN207212969U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721180741.8U Active CN207212969U (en) | 2017-09-15 | 2017-09-15 | A kind of small aero shaft coupling |
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| CN (1) | CN207212969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559342A (en) * | 2017-09-15 | 2018-01-09 | 西北工业大学 | A kind of small aero shaft coupling |
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2017
- 2017-09-15 CN CN201721180741.8U patent/CN207212969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559342A (en) * | 2017-09-15 | 2018-01-09 | 西北工业大学 | A kind of small aero shaft coupling |
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