CN205207467U - Serpentine spring shaft coupling - Google Patents
Serpentine spring shaft coupling Download PDFInfo
- Publication number
- CN205207467U CN205207467U CN201521041223.9U CN201521041223U CN205207467U CN 205207467 U CN205207467 U CN 205207467U CN 201521041223 U CN201521041223 U CN 201521041223U CN 205207467 U CN205207467 U CN 205207467U
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- China
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- fluted disc
- wheel hub
- flexible coupling
- serpentine spring
- falk flexible
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Abstract
The utility model discloses a serpentine spring shaft coupling. Aircraft engine nacelle steam anti -icing system, serpentine spring shaft coupling contains housing, wheel hub, expand cover, fluted disc, serpentine spring and sealing member, and wherein, wheel hub is provided with two, installs respectively on driving shaft and driven shaft, the fluted disc is cylindrical flange structure, and its center is provided with conical through -hole, is provided with the tooth on the outer circumference flange, and two adjacent profiles of tooth become the tooth's socket, and the fluted disc cover is established on wheel hub to the cover is connected through expanding, serpentine spring installs on the fluted disc in the tooth's socket for connect the fluted disc on two wheel hub, the housing contains two, and two housing locks are installed wheel hub is last to the formation portion of holding, fluted disc and serpentine spring set up in the portion of holding, the sealing member is used for the fitting surface between sealed housing and the wheel hub. The utility model has the advantages of: when the fluted disc damages, as long as it can to lift the fluted disc off change. Half -coupling cost is reduced.
Description
Technical field
The utility model relates to coupling technical field, is specifically related to a kind of Falk flexible coupling.
Background technique
Falk flexible coupling is divided into straight line type (permanent rigidity) and curvilinerar figure (variation rigidity) by its profile of tooth.Permanent rigidity coupling is applicable to the less operating mode of transmitting torque change.When variation rigidity coupling transmitted load becomes large, spring rate also increases, and the relative rotation of half-coupling becomes non-linear relation with transmitted torque, and the torque being applicable to transmit changes greatly the operating mode with clockwise and anticlockwise, and have good bradyseism to subtract punching effect, apply wider.
As the one of flexible coupling, Falk flexible coupling has the good ability making up offset deviation, and the high elasticity feature of serpentine spring makes it absorb impact force, compensate when power transmission by the stretching, extension of spring.Be conducive to reducing impact load and concentrated stress.Special tooth Shape Design, what during operation, the spring of coupling can be gradual is combined with drum tooth, and like this when coupling load increases, spring is more with the area of contact of drum tooth, therefore, it is possible to transmit higher moment of torsion and friction stress be dispersed in larger scope, reduce local friction's stress.In the cavity that two aluminum hulls are formed, be full of lubricating grease, further reduce spring and the wearing and tearing of rousing tooth.
Traditional Falk flexible coupling is in following problem:
1. Falk flexible coupling is in normal using process, and main damage is wearing and tearing.Hardness due to spring is higher than the hardness of tooth, tooth heavy wear after long-term running, and coupling can not continue to use.Changing half-coupling causes user cost to improve.
2. Falk flexible coupling another kind in use destroys as fatigue ruption, and serpentine spring, in the difference with coupling transmitting torque, distortion in various degree occurs, at the bending part of spring, tired shear fracture often occurs.
3. Falk flexible coupling is in normal operation, and the surface of contact of the flank of tooth and serpentine spring is coated with lubricating grease, and the seal arrangement of prior art generally adopts O type circle to seal between case and wheel hub, and the wearing and tearing of O type circle are very fast.
Model utility content
The purpose of this utility model is to provide a kind of Falk flexible coupling, to solve or at least to alleviate the problem at least one place existing in existing background technique.
The technical solution of the utility model is: provide a kind of Falk flexible coupling, comprises case, wheel hub, expansion set, fluted disc, serpentine spring and Sealing, and wherein, described wheel hub is provided with two, is arranged on driving shaft and driven shaft respectively; Described fluted disc is cylindrical flange structure, and its center is provided with cone-shaped hole, and outer circumferential flange is provided with tooth, and adjacent two teeth form teeth groove, and described fluted disc is set on described wheel hub, and is connected by described expansion set; Described serpentine spring is arranged in the described teeth groove on fluted disc, for connecting the fluted disc on two wheel hubs; Described case comprises two, and two cases fasten and are arranged on described wheel hub, and form accommodating part, and described fluted disc and serpentine spring are arranged in described accommodation section; Described Sealing is used for the fitting surface between seal casing and wheel hub.
Preferably, the bending part of described serpentine spring is provided with stress relief portion, and the two ends in described stress relief portion connect adjacent two single-leaf springs, and stress relief portion is a circular arc, and described arc diameter is greater than the distance between two single-leaf springs.
Preferably, described serpentine spring is provided with laser kerve at the length direction of single-leaf spring, and described laser kerve is arc groove on the cross section of the length direction perpendicular to described single-leaf spring.
Preferably, described serpentine spring comprises multi-disc arc section, and multi-disc arc section forms a full circle.
Preferably, described case is for adopting aluminum alloy casting.
Preferably, described case is weldment.
Preferably, described Sealing be circular shape, its cross section crossing central axis is trapezoid, and top margin and the base of described trapezoid are respectively arranged with oil storage tank.Preferably, described Sealing selects oil resistant rubber adhesive tape bonding.
Preferably, gasket seal is provided with between the fitting surface of described two cases.
Preferably, oil resistant kraft paper selected by described gasket seal.
The utility model has the advantage of: fluted disc is set on described wheel hub, and is connected by expansion set, when fluted disc damages, change as long as fluted disc is unloaded.Reduce the cost of half-coupling.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Falk flexible coupling of the utility model one embodiment.
Fig. 2 is the structural representation of the serpentine spring in the Falk flexible coupling shown in Fig. 1.
Fig. 3 is the structural representation of the wheel hub shown in Fig. 1.
Wherein: 1-case, 2-wheel hub, 3-expansion set, 4-fluted disc, 5-serpentine spring, 51-stress relief portion.
Embodiment
The object implemented for making the utility model, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technological scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Fig. 1 is the structural representation of the Falk flexible coupling of the utility model one embodiment.Fig. 2 is the structural representation of the serpentine spring in the Falk flexible coupling shown in Fig. 1.Fig. 3 is the structural representation of the wheel hub shown in Fig. 1.
Falk flexible coupling as shown in Figure 1 to Figure 3 comprises case 1, wheel hub 2, expansion set 3, fluted disc 4, serpentine spring 5 and Sealing, and wherein, wheel hub 2 is provided with two, is arranged on driving shaft and driven shaft respectively; Fluted disc 4 is cylindrical flange structure, and its center is provided with cone-shaped hole, and outer circumferential flange is provided with tooth, and adjacent two teeth form teeth groove, and fluted disc 4 is on the hub 2 sheathed, and is connected by expansion set 3; Serpentine spring 5 is arranged in the teeth groove on fluted disc 4, for connecting the fluted disc 4 on two wheel hubs 2; Case 1 comprises two, and two cases 1 fasten to be installed on the hub 2, and forms accommodating part, and fluted disc 4 and serpentine spring 5 are arranged in accommodating part; Sealing is used for the fitting surface between seal casing 1 and wheel hub 2.
Adopt, fluted disc is set on described wheel hub, and by the structure that expansion set connects, when fluted disc damages, changes as long as fluted disc is unloaded.Reduce the cost of half-coupling.
In the present embodiment, the bending part of serpentine spring 5 is provided with stress relief portion 51, and the two ends in stress relief portion 51 connect adjacent two single-leaf springs, and stress relief portion 51 is a circular arc, and arc diameter is greater than the distance between two single-leaf springs.
Adopt this structure, can prevent that serpentine spring has stress concentration portion, thus reduce the life-span of serpentine spring.
In the present embodiment, serpentine spring 5 is provided with laser kerve at the length direction of single-leaf spring, and described laser kerve is arc groove on the cross section of the length direction perpendicular to described single-leaf spring.This arc groove is used for storing lubricant oil when whole coupling note lubricant oil, and this groove laser makes, and prevents the intensity reducing serpentine spring.
In the present embodiment, serpentine spring 5 comprises multi-disc arc section, and multi-disc arc section forms a full circle.
In the present embodiment, case 1, for adopting aluminum alloy casting, adopts aluminum alloy manufacture, can weight reduction.
In the present embodiment, case 1 is weldment.
In the present embodiment, described Sealing be circular shape, its cross section crossing central axis is trapezoid, and top margin and the base of described trapezoid are respectively arranged with oil storage tank.Adopt this structure, can prevent Falk flexible coupling from normal operation, causing wearing and tearing owing to lacking lubricant oil.
In the present embodiment, Sealing selects oil resistant rubber adhesive tape bonding.
In the present embodiment, gasket seal is provided with between the fitting surface of two cases 1.Thus the sealing increased between two cases.
In the present embodiment, oil resistant kraft paper selected by described gasket seal.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. a Falk flexible coupling, is characterized in that: comprise case (1), wheel hub (2), expansion set (3), fluted disc (4), serpentine spring (5) and Sealing, wherein,
Described wheel hub (2) is provided with two, is arranged on driving shaft and driven shaft respectively;
Described fluted disc (4) is cylindrical flange structure, its center is provided with cone-shaped hole, outer circumferential flange is provided with tooth, adjacent two teeth form teeth groove, described fluted disc (4) is set on described wheel hub (2), and is connected by described expansion set (3);
Described serpentine spring (5) is arranged in the described teeth groove on fluted disc (4), for connecting the fluted disc (4) on two wheel hubs (2);
Described case (1) comprises two, and two case (1) fastenings are arranged on described wheel hub (2), and form accommodating part, and described fluted disc (4) and serpentine spring (5) are arranged in described accommodation section;
Described Sealing is used for the fitting surface between seal casing (1) and wheel hub (2).
2. Falk flexible coupling as claimed in claim 1, it is characterized in that: the bending part of described serpentine spring (5) is provided with stress relief portion (51), the two ends of described stress relief portion (51) connect adjacent two single-leaf springs, stress relief portion (51) is a circular arc, and described arc diameter is greater than the distance between two single-leaf springs.
3. Falk flexible coupling as claimed in claim 1, it is characterized in that: described serpentine spring (5) is provided with laser kerve at the length direction of single-leaf spring, described laser kerve is arc groove on the cross section of the length direction perpendicular to described single-leaf spring.
4. Falk flexible coupling as claimed in claim 1, it is characterized in that: described serpentine spring (5) comprises multi-disc arc section, multi-disc arc section forms a full circle.
5. Falk flexible coupling as claimed in claim 1, is characterized in that: described case (1) is for adopting aluminum alloy casting.
6. Falk flexible coupling as claimed in claim 1, is characterized in that: described case (1) is weldment.
7. Falk flexible coupling as claimed in claim 1, is characterized in that: described Sealing be circular shape, its cross section crossing central axis is trapezoid, and top margin and the base of described trapezoid are respectively arranged with oil storage tank.
8. Falk flexible coupling as claimed in claim 7, is characterized in that: described Sealing selects oil resistant rubber adhesive tape bonding.
9. Falk flexible coupling as claimed in claim 1, is characterized in that: be provided with gasket seal between the fitting surface of described two cases (1).
10. Falk flexible coupling as claimed in claim 9, is characterized in that: oil resistant kraft paper selected by described gasket seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041223.9U CN205207467U (en) | 2015-12-13 | 2015-12-13 | Serpentine spring shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041223.9U CN205207467U (en) | 2015-12-13 | 2015-12-13 | Serpentine spring shaft coupling |
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| Publication Number | Publication Date |
|---|---|
| CN205207467U true CN205207467U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041223.9U Active CN205207467U (en) | 2015-12-13 | 2015-12-13 | Serpentine spring shaft coupling |
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| CN (1) | CN205207467U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191501A (en) * | 2017-07-31 | 2017-09-22 | 联诺欧机械科技江苏有限公司 | A kind of grid coupling |
| CN107855390A (en) * | 2017-10-30 | 2018-03-30 | 浙江骏马弹簧制造有限公司 | A kind of serpentine spring and its production technology for shaft coupling |
| CN113606259A (en) * | 2021-03-11 | 2021-11-05 | 北京巴什卡科技有限公司 | Hub assembly for maintenance-free snake-shaped spring coupling and coupling |
| CN113619160A (en) * | 2021-07-05 | 2021-11-09 | 浙江理工大学 | Preparation method of composite material serpentine spring |
-
2015
- 2015-12-13 CN CN201521041223.9U patent/CN205207467U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191501A (en) * | 2017-07-31 | 2017-09-22 | 联诺欧机械科技江苏有限公司 | A kind of grid coupling |
| CN107855390A (en) * | 2017-10-30 | 2018-03-30 | 浙江骏马弹簧制造有限公司 | A kind of serpentine spring and its production technology for shaft coupling |
| CN107855390B (en) * | 2017-10-30 | 2019-04-19 | 浙江骏马弹簧制造有限公司 | A kind of serpentine spring and its production technology for shaft coupling |
| CN113606259A (en) * | 2021-03-11 | 2021-11-05 | 北京巴什卡科技有限公司 | Hub assembly for maintenance-free snake-shaped spring coupling and coupling |
| CN113619160A (en) * | 2021-07-05 | 2021-11-09 | 浙江理工大学 | Preparation method of composite material serpentine spring |
| CN113619160B (en) * | 2021-07-05 | 2023-04-25 | 浙江理工大学 | Preparation method of composite serpentine spring |
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