CN101358625A - Flexible shaft coupling - Google Patents
Flexible shaft coupling Download PDFInfo
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- CN101358625A CN101358625A CNA2007100496789A CN200710049678A CN101358625A CN 101358625 A CN101358625 A CN 101358625A CN A2007100496789 A CNA2007100496789 A CN A2007100496789A CN 200710049678 A CN200710049678 A CN 200710049678A CN 101358625 A CN101358625 A CN 101358625A
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- annular spring
- transmission shaft
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- opening
- pivot pin
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Abstract
The invention discloses an elastic coupler which is mainly structured by including an elastic part and two transmission shafts; the elastic part includes an annular spring which is manufactured by an elastic material; besides, the coaxial direction and the radical direction of the annular spring are staggered and opened; the two transmission shafts are respectively and fixedly connected at the two ends of the coaxial direction of the annular spring. Compared with the prior art, the elastic coupler has very high compensation abilities of coaxial elastic deformation and rotary elastic deformation, can effectively baffle the rotary impact of the transmission shafts and eliminate the radical and coaxial jumping interferences; besides, less parts can reduce the mechanical deterioration and improve the mechanical efficiency; besides, the manufacture cost is lower, the mounting is convenient and the working labor is saved. The elastic coupler of the invention can be suitable for a universal coupler and a coaxial coupler.
Description
Affiliated technical field
The present invention relates to a kind of coupling, be specially a kind of elastic coupling flexible coupling.
Background technique
The key problem of coupling is exactly the bit shift compensation problem.The rotation of axle has radial-axial to beat; Two-axle interlocking has rotation direction to impact and the radial-axial interference of beating.Existing coupling has mainly adopted technology paths such as part movement compensate for displacement and elastic strain compensate for displacement in order to address the above problem.As the disclosed movable rotary rigid coupling of patent of invention ZL03114945.6, just used the technology of Motion Compensation displacement.And advanced at present Falk flexible coupling, then mainly be to have used the elastic compensating shift technique, but the manufacturing process of serpentine spring is quite complicated, during installation, need radially fix a lot of pins, bigger operating space must be arranged, therefore workload is big, wastes time and energy, and only can cushion rotation direction and impact, alleviate circular runout and interfere, only be applicable to coaxial coupling.Above-mentioned prior art all exists compensating form single, the defective that compensation rate is little.And the structure more complicated of Hooks coupling universal coupling to such an extent as between when operation component relative movement is arranged, must reduce mechanical efficiency, and the cost of production height.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of rational bit shift compensation measure that has is provided, simple in structure, easy-to-install elastic coupling flexible coupling.
To achieve these goals, the solution of the present invention is: this coupling comprises elastic member, transmission shaft, described elastic member comprises the annular spring of the opening of being made by elastic material that axially and radially interlocks, and two transmission shafts are fixedly connected on the axial two ends of annular spring respectively.
Have a tie point at least between every transmission shaft and the annular spring, and this transmission shaft is staggered with the tie point that those transmission shafts are connected with annular spring, the connected element that coincide at the connecting end setting and the annular spring opening shape of transmission shaft.
The connecting end of described transmission shaft is arranged to the pivot pin that carries of radial protrusion shape, there is engaging lug end at pivot pin, the shape of engaging lug width direction and the opening shape of annular spring match, during connection, the pivot pin of two transmission shafts is mutually several angle, alternately the opening of engaging lug from annular spring inserted, fastening with the annular spring tie point.
Described transmission shaft connecting end radially is provided with groove, makes the pin that matches with groove, and transmission shaft is fixedlyed connected with annular spring by pin.
Described transmission shaft connecting end cuts into the pivot pin that carries of radial protrusion shape, the shape of pivot pin and annular spring opening shape match, during connection, the pivot pin of two transmission shafts is mutually several angle, and is fastening with the annular spring tie point in the opening of staggered respectively insertion annular spring.
Described annular spring comprises the shape of axially staggered opening, this annular spring axially on staggered tie point is set, the transmission shaft connecting end is cut into the pivot pin that carries of radial protrusion shape, there is engaging lug end at pivot pin, the shape of engaging lug width direction and the opening shape of annular spring match, and during connection, the pivot pin of two transmission shafts is mutually several angle, alternately the opening of engaging lug from annular spring inserted, fastening with the annular spring tie point.
Described annular spring comprises the shape of axially staggered opening, this annular spring axially on staggered tie point is set, at the transmission shaft connecting end groove is set radially, makes the pin that matches with groove, transmission shaft is fixedlyed connected with annular spring by pin.
Described annular spring comprises the radially shape of staggered opening, the transmission shaft connecting end is cut into the pivot pin that carries of radial protrusion shape, the shape of pivot pin and annular spring opening shape match, during connection, the pivot pin of two transmission shafts is mutually several angle, and is fastening with the annular spring tie point in the opening of staggered respectively insertion annular spring.
Each spring sheet of annular spring is done concavity, i.e. the thick shape in intermediate thin two ends is to strengthen the elasticity of coupling.
Transmission shaft is with after annular spring is connected, add spring collar in the annular spring outer, annular spring is limited in the annular space between spring collar and half shaft coupling, reach the purpose of control spring radial deformation, can improve radial rigidity, the control radial deformation.
The invention has the advantages that: the one, the elastic coupling flexible coupling of employing said structure, especially the coupling that has the annular spring of the opening that axially and radially interlocks, have very strong axial elasticity deformation and the elastically-deformable compensation ability of rotation direction, interference that the rotation direction that can effectively cushion transmission shaft is impacted, the elimination radial-axial is beated.The 2nd, because simple in structure, parts can reduce mechanical wear less, improve mechanical efficiency, manufacture cost is also lower, if only be used for coaxial coupling, also can adopt the coupling of the annular spring structure that axially staggered opening is only arranged in the specific embodiments or radially interlock opening, then structure is simpler, and cost is also lower relatively.The 3rd, easy for installation, save the labour force.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and embodiment:
Fig. 1 is a structure perspective diagram of the present invention;
Fig. 2 is axially and the radially annular spring structural representation of staggered opening of the present invention;
Fig. 3 is transmission shaft connecting end structural representation of the present invention (Fig. 3-1, Fig. 3-2, Fig. 3-3, Fig. 3-4 are arranged);
Fig. 4 is the assembling schematic representation of Fig. 1 structure;
Fig. 5 is the structural representation of axially open annular spring of the present invention;
Fig. 6 is the assembling schematic representation of axially open annular spring structure coupling;
Fig. 7 is the assembling schematic representation of axially open annular spring structure coupling;
Fig. 8 is the structural representation of radial opening annular spring of the present invention;
Fig. 9 is the assembling schematic representation of radial opening annular spring structure coupling;
Figure 10 is the structural representation that spring collar is arranged.
Among the figure: 1, annular spring, 2, transmission shaft, 3, transmission shaft, 4, pivot pin, 5, engaging lug, 6, annular spring, 7, groove, 8, pin, 9, pivot pin, 10, annular spring, 11, dented spring leaf, 12, spring collar, 13, bolt, 14, tie point.
Embodiment
As shown in Figure 1, the present invention includes elastic member, transmission shaft, elastic member comprises axially and the radially annular spring 1 of staggered opening by elastic material (as the stronger steel pipe of elasticity etc.) processing and fabricating, and transmission shaft 2 and transmission shaft 3 are fixedly connected on the axial two ends of annular spring 1 respectively.The Placement of transmission shaft 2,3 and annular spring 1 comprises: a tie point is set between every transmission shaft and annular spring at least, and the tie point 14 that transmission shaft 2, transmission shaft 3 are connected with annular spring 1 is staggered, as shown in Figure 2, at the connecting end setting and the identical connected element of annular spring 1 opening shape of transmission shaft 2,3, its concrete enforcement comprises:
Example one, shown in Fig. 3-1, Fig. 3-2, what the connecting end of transmission shaft 2,3 was arranged to the radial protrusion shape carries pivot pin 4, in the end of pivot pin 4 engaging lug 5 is set, the shape of engaging lug 5 width directions and the opening shape of annular spring 1 match, during connection, transmission shaft 2 is mutually several angle with the pivot pin 4 of transmission shaft 3, alternately the opening of engaging lug from annular spring is inserted, fastening with annular spring 1 tie point, referring to Fig. 4.
Example two, shown in Fig. 3-3, at the connecting end of transmission shaft 2,3 groove 7 is set radially, make the pin 8 that matches with groove 7, transmission shaft 2,3 passes through pin 8 fixedlys connected with annular spring 1.
Example three, as shown in Figure 3-4, carry pivot pin 9 with what transmission shaft 2,3 connecting ends were arranged to the radial protrusion shape, the shape of pivot pin 9 and annular spring 1 opening shape match, during connection, the pivot pin 9 of two transmission shafts is mutually several angle, and is fastening with the tie point of annular spring 1 in the opening of staggered respectively insertion annular spring 1.
The present invention at least also can adopt following several concrete structure during only as coaxial coupling purposes, can more save cost:
Example one, Fig. 5 are the annular springs 6 of the shape of axially staggered opening, staggered tie point 14 is set at 6 of annular spring on axially, carry pivot pin 4 with what transmission shaft 2,3 connecting ends cut into the radial protrusion shape, be welded to connect ear 5 in the end of pivot pin 4, the shape of engaging lug 5 width directions and the opening shape of annular spring 6 match, during connection, the pivot pin 4 of two transmission shafts is mutually several angle, alternately the opening of engaging lug 5 from annular spring 6 inserted, fastening with annular spring 6 tie points by bolt 13, referring to Fig. 6.In this example, transmission shaft 2,3 connecting ends can also be provided with like this, promptly open a groove 7 diametrically, make a pin 8 that matches with groove 7 again, and transmission shaft 2,3 is fixedlyed connected with annular spring 6 by pin respectively, referring to Fig. 7.
Example two, Fig. 8 are the annular springs 10 of the shape of radially staggered opening, carry pivot pin 13 with what transmission shaft 2,3 connecting ends cut into the radial protrusion shape, the shape of pivot pin 13 and annular spring 10 opening shapes match, during connection, the pivot pin 13 of two transmission shafts is mutually several angle, fastening in the opening of staggered respectively insertion annular spring 10 with annular spring 10 tie points, referring to Fig. 9.Because of the rigidity of annular spring 10 is stronger, can as required each spring sheet 10 of annular spring 10 be done concavity, i.e. the thick shape in intermediate thin two ends, as shown in Figure 8, to strengthen the elasticity of coupling.
In order to improve radial rigidity, control radially variable, can be with transmission shaft 2,3 with after annular spring be connected, add spring collar 12 (especially tie point is more after a little while between transmission shaft and the annular spring in the annular spring outer, need add spring collar 12), annular spring is limited in the annular space between spring collar 12 and half shaft coupling, referring to Figure 10, to reach the purpose of control spring radial deformation.
Claims (10)
1, a kind of elastic coupling flexible coupling comprises elastic member, transmission shaft, it is characterized in that: described elastic member comprises the annular spring of the opening of being made by elastic material that axially and radially interlocks, and two transmission shafts are fixedly connected on the axial two ends of annular spring respectively.
2, a kind of elastic coupling flexible coupling according to claim 1, it is characterized in that: have a tie point at least between every transmission shaft and the annular spring, and this transmission shaft is staggered with the tie point that those transmission shafts are connected with annular spring, at the connecting end setting and the identical connected element of annular spring opening shape of transmission shaft.
3, a kind of elastic coupling flexible coupling according to claim 2, it is characterized in that: the connecting end of described transmission shaft is arranged to the pivot pin that carries of radial protrusion shape, be fixedly coupled ear in the making of the end of pivot pin, the shape of engaging lug width direction and the opening shape of annular spring match, during connection, the pivot pin of two transmission shafts is mutually several angle, and the opening of engaging lug from annular spring inserted, and is fastening with the annular spring tie point.
4, a kind of elastic coupling flexible coupling according to claim 2 is characterized in that: described transmission shaft connecting end is provided with groove, makes the pin that matches with groove, and transmission shaft is fixedlyed connected with annular spring by pin.
5, a kind of elastic coupling flexible coupling according to claim 2, it is characterized in that: described transmission shaft connecting end is provided with the pivot pin that carries of convex, the shape of pivot pin and annular spring opening shape match, during connection, the pivot pin of two transmission shafts is mutually several angle, and the opening that inserts annular spring respectively is interior fastening with the annular spring tie point.
6, a kind of elastic coupling flexible coupling according to claim 1, it is characterized in that: described annular spring comprises the shape of axially staggered opening, this annular spring axially on staggered tie point is set, the transmission shaft connecting end is cut into the pivot pin that carries of radial protrusion shape, be fixedly coupled ear in the making of the end of pivot pin, the shape of engaging lug width direction and the opening shape of annular spring match, during connection, the pivot pin of two transmission shafts is mutually several angle, engaging lug inserts from the opening of annular spring, and is fastening with the annular spring tie point.
7, a kind of elastic coupling flexible coupling according to claim 1, it is characterized in that: described annular spring comprises the shape of axially staggered opening, this annular spring axially on staggered tie point is set, at the transmission shaft connecting end groove is set radially, make the pin that matches with groove, transmission shaft is fixedlyed connected with annular spring by pin.
8, a kind of elastic coupling flexible coupling according to claim 1, it is characterized in that: described annular spring comprises the radially shape of staggered opening, the transmission shaft connecting end is cut into the pivot pin that carries of radial protrusion shape, the shape of pivot pin and annular spring opening shape match, during connection, the pivot pin of two transmission shafts is mutually several angle, and the opening that inserts annular spring respectively is interior fastening with the annular spring tie point.
9, a kind of elastic coupling flexible coupling according to claim 8 is characterized in that: each spring sheet of annular spring is done concavity, i.e. the thick shape in intermediate thin two ends.
10, a kind of elastic coupling flexible coupling according to claim 1 and 2 is characterized in that: transmission shaft is fixed a spring collar with after annular spring is connected in the outer of annular spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100496789A CN101358625A (en) | 2007-08-02 | 2007-08-02 | Flexible shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100496789A CN101358625A (en) | 2007-08-02 | 2007-08-02 | Flexible shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101358625A true CN101358625A (en) | 2009-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100496789A Pending CN101358625A (en) | 2007-08-02 | 2007-08-02 | Flexible shaft coupling |
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| CN (1) | CN101358625A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454719A (en) * | 2010-10-30 | 2012-05-16 | 比亚迪股份有限公司 | Mechanical connecting device |
| CN103671597A (en) * | 2012-09-03 | 2014-03-26 | Juki株式会社 | Coupler |
| CN106848751A (en) * | 2016-12-22 | 2017-06-13 | 罗森伯格技术（昆山）有限公司 | Self-locking bindiny mechanism |
| CN107002796A (en) * | 2014-11-12 | 2017-08-01 | 舍弗勒技术股份两合公司 | Elastomer coupling and affiliated roll stabilizer |
| CN109899406A (en) * | 2019-03-07 | 2019-06-18 | 福建中维动力科技股份有限公司 | A kind of yielding coupling for heavy-duty car hybrid power system testboard bay |
-
2007
- 2007-08-02 CN CNA2007100496789A patent/CN101358625A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454719A (en) * | 2010-10-30 | 2012-05-16 | 比亚迪股份有限公司 | Mechanical connecting device |
| CN102454719B (en) * | 2010-10-30 | 2014-12-17 | 比亚迪股份有限公司 | Mechanical connecting device |
| CN103671597A (en) * | 2012-09-03 | 2014-03-26 | Juki株式会社 | Coupler |
| CN103671597B (en) * | 2012-09-03 | 2017-12-05 | Juki株式会社 | Shaft coupling |
| CN107002796A (en) * | 2014-11-12 | 2017-08-01 | 舍弗勒技术股份两合公司 | Elastomer coupling and affiliated roll stabilizer |
| CN107002796B (en) * | 2014-11-12 | 2019-12-10 | 舍弗勒技术股份两合公司 | elastomer coupling and associated roll stabilizer |
| CN106848751A (en) * | 2016-12-22 | 2017-06-13 | 罗森伯格技术（昆山）有限公司 | Self-locking bindiny mechanism |
| CN106848751B (en) * | 2016-12-22 | 2024-03-12 | 普罗斯通信技术（苏州）有限公司 | Self-locking type connecting mechanism |
| CN109899406A (en) * | 2019-03-07 | 2019-06-18 | 福建中维动力科技股份有限公司 | A kind of yielding coupling for heavy-duty car hybrid power system testboard bay |
| CN109899406B (en) * | 2019-03-07 | 2020-05-29 | 福建中维动力科技股份有限公司 | Elastic coupling for heavy-duty car hybrid power system test bench |
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| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090204 |